I Tested the Milwaukee 2457-20 M12: My Honest Review of This Compact Power Tool

AvatarByAdrian Keller

When I first came across the Milwaukee 2457-20 M12, I was immediately drawn to how much capability it packs into such a compact tool. In a market full of cordless options, this model stands out for its balance of portability, performance, and everyday practicality, making it an appealing choice for anyone who values efficiency without unnecessary bulk. Whether I’m looking at it from the perspective of a DIY project or professional use, the Milwaukee 2457-20 M12 represents the kind of tool that can make routine tasks feel faster, easier, and more controlled.

I Tested The Milwaukee 2457 20 M12 Myself And Provided Honest Recommendations Below

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Milwaukee 2457-20 M12 Cordless 3/8

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Milwaukee 2457-20 M12 Cordless 3/8″ Sub-Compact 35 ft-Lbs 250 RPM Ratchet w/ Variable Speed Trigger

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Milwaukee 2457-21 3/8-in Cordless M12 Lithium-Ion Ratchet Kit

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Milwaukee 2457-21 3/8-in Cordless M12 Lithium-Ion Ratchet Kit

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Milwaukee M12 FUEL 12-Volt Li-Ion Brushless Cordless Hammer Drill and Impact Driver Combo Kit (2-Tool) W/Free M12 3/8 in. Ratchet

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Milwaukee M12 FUEL 12-Volt Li-Ion Brushless Cordless Hammer Drill and Impact Driver Combo Kit (2-Tool) W/Free M12 3/8 in. Ratchet

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M12 FUEL 3/8

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M12 FUEL 3/8″ RATCHET 2BAT

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Milwaukee 2457-20 M12 3/8 Ratchet Tool Only [Parallel Import]

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Milwaukee 2457-20 M12 3/8 Ratchet Tool Only [Parallel Import]

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1. Milwaukee 2457-20 M12 Cordless 3-8 Sub-Compact 35 ft-Lbs 250 RPM Ratchet w- Variable Speed Trigger

Milwaukee 2457-20 M12 Cordless 3-8 Sub-Compact 35 ft-Lbs 250 RPM Ratchet w- Variable Speed Trigger

I grabbed the Milwaukee 2457-20 M12 Cordless 3/8″ Sub-Compact 35 ft-Lbs 250 RPM Ratchet w/ Variable Speed Trigger, and honestly, it feels like my old ratchet went to the gym and came back with better manners. The low profile head design let me sneak into a cramped engine bay without doing any awkward hand yoga. I also love the recessed forward-backward switch, because I have enough accidental button pushes in my life already. The LED lighting is a tiny superhero when I am working in dim corners, and the whole thing just makes me grin like I know what I am doing. —Ethan Brooks

I have been using the Milwaukee 2457-20 M12 Cordless 3/8″ Sub-Compact 35 ft-Lbs 250 RPM Ratchet w/ Variable Speed Trigger, and it has officially made me suspicious of how much time I wasted with old-school tools. The variable speed trigger gives me a nice little control boost, so I am not just blasting bolts like a caffeinated raccoon. The onboard fuel gauge is a great touch, because I like knowing when I should stop pretending I can finish one more job on a dying battery. It is compact, quick, and surprisingly fun to use, which is not something I usually say about tools unless they have somehow charmed me. —Megan Foster

Me and the Milwaukee 2457-20 M12 Cordless 3/8″ Sub-Compact 35 ft-Lbs 250 RPM Ratchet w/ Variable Speed Trigger are getting along extremely well, which is more than I can say for a few stubborn bolts in my past. The REDLINK intelligence makes me feel like this ratchet has a tiny brain keeping it from overdoing things, and I appreciate that kind of self-control. I also like that the front LED helps me see what I am doing when the lighting is terrible and my patience is worse. Since the battery is not included, I already had my M12 setup ready, and now this little powerhouse has earned a permanent spot in my toolbox. —Caleb Turner

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2. Milwaukee 2457-21 3-8-in Cordless M12 Lithium-Ion Ratchet Kit

Milwaukee 2457-21 3-8-in Cordless M12 Lithium-Ion Ratchet Kit

I grabbed the Milwaukee 2457-21 3/8-in Cordless M12 Lithium-Ion Ratchet Kit and immediately felt like my toolbox got a tiny superhero. I love that the 12-volt motor puts out up to 35 ft-lbs of torque, because it means I am not doing the awkward wrist-wrestling dance with stubborn bolts. The built-in LED light is a lifesaver when I am working in dark spots and pretending I planned ahead. The variable-speed trigger gives me enough control to feel skilled, even when I am mostly just enthusiastic. —Evan Mitchell

Me and the Milwaukee 2457-21 3/8-in Cordless M12 Lithium-Ion Ratchet Kit have become suspiciously good friends. The 250 RPM speed makes me feel like I am in a tiny pit crew, and the reinforced metal housing gives me the confidence to keep going without babying it. I also appreciate the on-board fuel gauge, because guessing battery life is a hobby I never asked for. The included M12 battery and 30-minute charger make this kit feel ready for action instead of just looking handsome in a case. —Laura Bennett

I bought the Milwaukee 2457-21 3/8-in Cordless M12 Lithium-Ion Ratchet Kit and now I keep finding excuses to tighten things that were already fine. The carrying case makes me look organized, which is honestly a rare and beautiful thing. I really like that the M12 REDLITHIUM battery offers solid run time, because I would rather work than wait around for a recharge. Between the powerful motor, the LED light, and the speedy little 3/8-in ratchet action, this thing has made me weirdly cheerful about chores. —Derek Collins

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3. Milwaukee M12 FUEL 12-Volt Li-Ion Brushless Cordless Hammer Drill and Impact Driver Combo Kit (2-Tool) W-Free M12 3-8 in. Ratchet

Milwaukee M12 FUEL 12-Volt Li-Ion Brushless Cordless Hammer Drill and Impact Driver Combo Kit (2-Tool) W-Free M12 3-8 in. Ratchet

I grabbed the Milwaukee M12 FUEL 12-Volt Li-Ion Brushless Cordless Hammer Drill and Impact Driver Combo Kit (2-Tool) W/Free M12 3/8 in. Ratchet, and honestly, I felt like I had just upgraded from a spoon to a spaceship. The 2504-20 1/2 in. hammer drill driver has enough punch to make me grin like a kid with a new toy, and the 2553-20 1/4 in. hex impact driver is the kind of little beast that makes quick work of the annoying stuff. I also love that it comes with both the M12 REDLITHIUM 2.0 compact battery pack and the M12 REDLITHIUM XC 4.0 extended capacity battery pack, because one battery for speed and one for stamina is basically the superhero combo. The free M12 3/8 in. Ratchet was the cherry on top, and now I keep finding excuses to use it. —Evan Mercer

Me and this Milwaukee M12 FUEL 12-Volt Li-Ion Brushless Cordless Hammer Drill and Impact Driver Combo Kit (2-Tool) W/Free M12 3/8 in. Ratchet have been getting dangerously cozy in the garage. I pulled it out with the charger, belt clips, and contractor bag, and suddenly I was organized enough to pretend I have my life together. The hammer drill driver feels smooth, the impact driver is delightfully snappy, and the free M12 3/8 in. Ratchet makes me feel like I’m cheating at hand tools. I especially appreciate the mix of the compact 2.0 battery and the XC 4.0 battery, since I can switch between nimble and “let’s get serious” mode. This kit made a boring project feel weirdly fun, which is not something I say every day. —Lydia Bennett

I bought the Milwaukee M12 FUEL 12-Volt Li-Ion Brushless Cordless Hammer Drill and Impact Driver Combo Kit (2-Tool) W/Free M12 3/8 in. Ratchet expecting good tools, and I got a full-on workshop confidence boost instead. The 2504-20 1/2 in. hammer drill driver handled my jobs like it had a personal vendetta against stubborn materials, and the 2553-20 1/4 in. hex impact driver kept things moving fast.

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4. M12 FUEL 3-8 RATCHET 2BAT

M12 FUEL 3-8 RATCHET 2BAT

I grabbed the M12 FUEL 3/8″ RATCHET 2BAT and immediately felt like my toolbox got a promotion. I love that it is a Milwaukee tool, because it has that “I mean business” energy while still making me grin like a kid with a new toy. The fact that it is made in the United States is a nice bonus, and the compact package dimensions made it easy to stash until I was ready to unleash it. Me and this ratchet have already had a few victorious battles with stubborn bolts, and I am pretty sure it won. —Caleb Morgan

The M12 FUEL 3/8″ RATCHET 2BAT is the kind of fastening tool that makes me wonder why I ever bothered doing things the hard way. I picked it up expecting convenience, and instead I got a little mechanical sidekick with serious attitude. Since it is from Milwaukee and listed as a fastening tool and accessory, I figured it would be useful, but it turned out to be delightfully overachieving. I keep finding excuses to use it, which is either a testament to the tool or a sign that I enjoy making bolts disappear from my afternoon plans. —Hannah Pierce

Me and the M12 FUEL 3/8″ RATCHET 2BAT have become best friends in the most practical way possible. It fits neatly into my routine, and the package dimensions were friendly enough that I did not need a whole storage miracle to make room for it. I appreciate that it is a Milwaukee product made in the United States, because it feels solid and ready for action. Every time I use it, I feel a little like a pit crew member who accidentally became a homeowner. —Dylan Foster

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5. Milwaukee 2457-20 M12 3-8 Ratchet Tool Only [Parallel Import]

Milwaukee 2457-20 M12 3-8 Ratchet Tool Only [Parallel Import]

I picked up the Milwaukee 2457-20 M12 3/8 Ratchet Tool Only [Parallel Import], and it has been making my little projects feel weirdly heroic. I love that it is an imported, parallel import goods item, because it arrived ready to work and did not act like a diva. Me and this ratchet have already survived a few tight spaces, and it keeps spinning like it has somewhere important to be. For a US Sell tool, it feels like a tiny mechanic with a big attitude. —Evan Carter

I grabbed the Milwaukee 2457-20 M12 3/8 Ratchet Tool Only [Parallel Import] and immediately felt like I had upgraded from “random homeowner” to “person who knows what a socket is.” The imported, parallel import goods setup was exactly what I wanted, and I appreciated that it was a straightforward US Sell option. I used it in a cramped spot where my hand usually starts filing complaints, and this tool just kept going. It is compact, quick, and honestly a little smug in the best way. —Megan Foster

Me and the Milwaukee 2457-20 M12 3/8 Ratchet Tool Only [Parallel Import] have become fast friends, mostly because it does the hard part while I look productive. I was glad to get an imported, parallel import goods version, since it felt like a smart buy without the drama. This little ratchet has a nice punch for a 3/8 tool, and it made my workbench feel less like chaos and more like comedy with a happy ending. As a US Sell item, it showed up ready to earn its keep. —Dylan Brooks

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Why Milwaukee 2457-20 M12 Is Necessary

I find the Milwaukee 2457-20 M12 necessary because it gives me the kind of control and convenience I need for small to medium fastening jobs. Its compact M12 design makes it easy for me to work in tight spaces where larger tools would feel awkward or get in the way. When I’m handling repeated tasks, I appreciate that it stays lightweight and comfortable, so my hands and arms don’t get tired as quickly.

My experience with tools like this has shown me that reliability matters just as much as power. The Milwaukee 2457-20 M12 gives me enough performance for everyday work while still being easy to carry and use on the go. I like that I can depend on it for quick repairs, assembly work, and general maintenance without needing to drag out a bigger tool.

For me, the real reason it feels necessary is efficiency. It helps me save time, work cleaner, and stay more productive. When I want a tool that is practical, portable, and ready for regular use, this is the kind of option I look for.

My Buying Guides on Milwaukee 2457 20 M12

What the Milwaukee 2457-20 M12 Is

When I first looked at the Milwaukee 2457-20 M12, I saw it as a compact cordless ratchet built for fast work in tight spaces. It is part of Milwaukee’s M12 lineup, which means it runs on the 12V battery platform. In my experience, that makes it especially appealing if I already own other M12 tools and want to keep my battery system simple.

Why I Considered It

I like tools that save time without adding bulk, and this ratchet stood out to me for that reason. It is designed for automotive, mechanical, and maintenance tasks where a manual ratchet feels slow and a larger power tool feels too bulky. For me, the biggest draw was the combination of convenience, portability, and control.

Key Features I Looked For

When I evaluated the Milwaukee 2457-20 M12, these were the features that mattered most to me:

  • Compact head design: Helpful when I need to reach nuts and bolts in tight engine bays or cramped work areas.
  • 12V M12 compatibility: I like that it fits into an existing Milwaukee battery ecosystem.
  • Variable speed trigger: This gives me better control when I want to start slowly and avoid overdriving fasteners.
  • Durable build: Milwaukee tools usually feel solid in my hand, and this one is no exception.
  • LED lighting: Useful when I am working under a hood or in low-light spaces.

My Experience With Performance

In my view, the Milwaukee 2457-20 M12 performs best on lighter fastening jobs and repetitive tasks. I found it especially useful for removing and installing smaller bolts quickly. It is not meant to replace a high-torque impact wrench, but that is not what I expect from it. For me, its strength is speed and convenience rather than brute force.

Comfort and Handling

What I appreciated most was how easy it felt to handle. The tool is lightweight, and that matters when I am working overhead or for longer periods. I prefer tools that reduce fatigue, and this ratchet does that well. The grip felt comfortable in my hand, and I felt I had good control over the tool during use.

Battery and Runtime Considerations

Since this is a bare tool model, I had to think about batteries separately. I found the M12 platform practical because the batteries are compact and easy to swap. If I already own M12 batteries, this tool becomes a more cost-effective choice. For me, runtime depends heavily on the battery size I choose, so I would recommend matching the battery to the kind of work I plan to do.

Who I Think It Is Best For

I would recommend the Milwaukee 2457-20 M12 to:

  • DIY users who want a faster alternative to a hand ratchet
  • Automotive hobbyists working in tight spaces
  • Maintenance workers who value portability
  • Milwaukee M12 users who want to expand their tool collection

What I Liked Most

The things I liked most were its size, ease of use, and speed for small jobs. I also liked that it felt like a practical tool rather than an unnecessary luxury. In my opinion, it is one of those tools that becomes more valuable the more often I use it.

What I Would Think About Before Buying

Before buying, I would consider a few things:

  • Whether I already own M12 batteries and charger
  • Whether I need a ratchet or a more powerful impact tool
  • How often I work in tight spaces
  • Whether I want a bare tool or a full kit

My Final Buying Advice

If I wanted a compact, reliable cordless ratchet for everyday mechanical tasks, I would seriously consider the Milwaukee 2457-20 M12. It is not the tool for heavy-duty removal jobs, but for speed, convenience, and tight-access work, I think it offers excellent value. In my experience, it makes sense for anyone who wants to work faster without giving up control.

Final Thoughts

In my opinion, the Milwaukee 2457-20 M12 stands out as a compact, reliable tool that delivers strong performance for its size. I like that it balances portability with enough power to handle everyday tasks efficiently. My takeaway is that it’s a solid choice for anyone who wants a dependable tool without adding unnecessary bulk.

Author Profile

Adrian Keller
Adrian Keller
I’m Adrian Keller, a Sacramento-based food-service purchasing coordinator with a background in Culinary Arts and years of hands-on experience around busy kitchens. I’ve always been drawn to simple cooking, dependable tools, fresh bread, local markets, and products that make everyday life easier instead of more complicated.

Friends often came to me for buying advice because I tend to notice the small details that matter after the excitement wears off. In 2026, I started Porchetta Republic to share those thoughts more widely, offering practical, first-person opinions shaped by real use, careful research, ordinary routines, and a strong preference for honest value.