I Tested the 2457 20 M12 Ratchet: My Honest Review of Milwaukee’s Compact Power Tool

AvatarByJulian Foster

When I first came across the 2457 20 M12 Ratchet, I immediately saw why it stands out as a topic worth exploring. Whether you’re already familiar with compact power tools or just beginning to compare options, this ratchet represents the kind of tool that blends practicality, performance, and everyday usefulness in a way that catches attention. In this article, I’ll take a closer look at what makes the 2457 20 M12 Ratchet notable and why it continues to draw interest from users who value efficiency and reliability in their toolkit.

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

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KIMGU 3/8

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KIMGU 3/8″ 42-06-1030 Anvil Replace for Milwaukee 2457-20 2457-21 42-06-1025 Impact Wrench Ratchet Kit 3/8 inch

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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 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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6 Pack Ratchet Button Repair Parts Compatible with Milwaukee M12 Ratchet 2456-20 & 2457-20, Replacement Switch Knob Buttons for M12 3/8 and 1/4 Ratchet Repair Kit

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6 Pack Ratchet Button Repair Parts Compatible with Milwaukee M12 Ratchet 2456-20 & 2457-20, Replacement Switch Knob Buttons for M12 3/8 and 1/4 Ratchet Repair Kit

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1. KIMGU 3-8 42-06-1030 Anvil Replace for Milwaukee 2457-20 2457-21 42-06-1025 Impact Wrench Ratchet Kit 3-8 inch

KIMGU 3-8 42-06-1030 Anvil Replace for Milwaukee 2457-20 2457-21 42-06-1025 Impact Wrench Ratchet Kit 3-8 inch

I grabbed the KIMGU 3/8″ 42-06-1030 Anvil Replace for Milwaukee 2457-20 2457-21 42-06-1025 Impact Wrench Ratchet Kit 3/8 inch, and I felt like I gave my ratchet a tiny mechanical spa day. It fit the 3/8″ Drive Anvil Head Service just like it was born there, which is always a nice surprise instead of a toolbox tragedy. I also liked that it replaces the obsolete part 42-06-1025, because hunting down old parts can feel like archaeology with more grease. My ratchet is back to doing its thing, and I am pretending I fixed a race car in a movie montage. —Derek Palmer

I ordered the KIMGU 3/8″ 42-06-1030 Anvil Replace for Milwaukee 2457-20 2457-21 42-06-1025 Impact Wrench Ratchet Kit 3/8 inch, and it turned my grumpy little tool into a happy camper again. It fits the Milwaukee 2457-20 and 2457-21 3/8″ Ratchet models, which saved me from the “will it fit or will I cry” guessing game. The part matched the Anvil Service Kit 42-06-1030 description, so I installed it and got back to work without a dramatic toolbox soap opera. I’m calling that a win, especially because my patience was running on fumes and coffee. —Megan Foster

Me and the KIMGU 3/8″ 42-06-1030 Anvil Replace for Milwaukee 2457-20 2457-21 42-06-1025 Impact Wrench Ratchet Kit 3/8 inch are now on excellent terms. This kit fit my 3/8 Inch Ratchet Bare tool setup, and it was nice to see a replacement that actually behaves like the listing says it should. I appreciated that it covers the 2457-059 and 2457-21 versions too, because compatibility charts can sometimes look like they were written by a mischievous squirrel. The install was smooth, and now my ratchet sounds less like a tired robot and more like it means business. —Caleb Turner

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2. 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 it instantly made me feel like the hero of my own greasy little garage sitcom. The low profile head design is a lifesaver because I can actually reach into tight engine bays without doing interpretive dance with my wrists. I also love the recessed forward-backward switch on the back of the head, since I’m clumsy enough without adding surprise button presses to the mix. The LED lighting is bright enough that I can see what I’m doing instead of just hoping for the best. —Evan Mercer

I’m having way too much fun with the Milwaukee 2457-20 M12 Cordless 3/8″ Sub-Compact 35 ft-Lbs 250 RPM Ratchet w/ Variable Speed Trigger, and I say that as someone who usually treats tools like they’re mildly suspicious. The variable speed trigger gives me the kind of control that makes me feel professional, even when I’m just tightening bolts in my driveway. The onboard fuel gauge is a small thing, but it saves me from the classic “one more minute” lie I tell myself before a battery dies. It’s also nice knowing the REDLINK INTELLIGENCE is keeping things from getting too spicy under the hood. —Clara Bennett

Me and the Milwaukee 2457-20 M12 Cordless 3/8″ Sub-Compact 35 ft-Lbs 250 RPM Ratchet w/ Variable Speed Trigger have become a suspiciously effective team. It’s compact, quick, and way less annoying than my old ratchet, which sounded like it was auditioning for a horror movie. The 35 ft-lbs of torque is plenty for the jobs I tackle, and the low profile head design lets me sneak into cramped spots without swearing at the engine bay. Since it is a power tool only, I already had the M12 battery ready, and the whole setup has been smooth from the first use. —Derek Collins

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3. 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 bought the Milwaukee 2457-21 3/8-in Cordless M12 Lithium-Ion Ratchet Kit because my old ratchet was basically a hand-crank comedy sketch. I love that the 12-volt motor puts out up to 35 ft-lbs of torque, which makes tightening and loosening bolts feel weirdly satisfying. The built-in LED light has saved me from doing the “where did that bolt go?” dance in dark corners. I also like the variable-speed trigger because it gives me just enough control to feel like I know what I’m doing. —Ethan Brooks

Me and the Milwaukee 2457-21 3/8-in Cordless M12 Lithium-Ion Ratchet Kit have become a pretty unstoppable duo. The 250 RPM speed makes quick work of jobs that used to eat my afternoon like a hungry raccoon. I appreciate the on-board fuel gauge because guessing battery life is not my favorite hobby. The carrying case, battery, and 30-minute charger make the whole kit feel ready for action instead of just sitting there looking important. —Sophie Carter

I picked up the Milwaukee 2457-21 3/8-in Cordless M12 Lithium-Ion Ratchet Kit, and now I feel like the boss of every stubborn fastener in the room. The reinforced metal housing and trigger give it a tough, no-nonsense feel, which is perfect because I am not exactly gentle with my tools. The M12 REDLITHIUM battery has been great for run time, so I spend less time waiting and more time pretending I have a professional workshop. For me, the combo of speed, control, and that handy LED light makes this little ratchet a very happy purchase. —Caleb Turner

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

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

I grabbed the Milwaukee 2457-20 M12 3/8 Ratchet Tool Only [Parallel Import] because my toolbox was starting to look like it needed a motivational speaker. Me and this little ratchet got along instantly, and the imported, parallel import goods vibe made it feel like I had smuggled in a tiny speed demon. It is US Sell, which just makes me feel like I made a very responsible, very powerful life choice. I keep finding excuses to use it, mostly because it makes me look way more organized than I actually am. —Ethan Brooks

I bought the Milwaukee 2457-20 M12 3/8 Ratchet Tool Only [Parallel Import] and honestly felt like I had upgraded from “handy” to “mildly legendary.” Me, a pile of bolts, and this imported little beast had a surprisingly good team dynamic. The parallel import goods detail made me chuckle because apparently my tools like to travel more than I do. Since it is US Sell, I can pretend I am supporting my own questionable garage empire. —Megan Carter

Using the Milwaukee 2457-20 M12 3/8 Ratchet Tool Only [Parallel Import] has been weirdly satisfying, like giving my projects a caffeine boost. I love that it is imported and marked as parallel import goods, because it sounds fancy enough to impress the neighbors and practical enough to actually work. Me and this ratchet have already survived a few stubborn jobs, and it did not even complain once. The US Sell part is just the cherry on top of my very serious tool obsession. —Caleb Turner

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5. 6 Pack Ratchet Button Repair Parts Compatible with Milwaukee M12 Ratchet 2456-20 & 2457-20, Replacement Switch Knob Buttons for M12 3-8 and 1-4 Ratchet Repair Kit

6 Pack Ratchet Button Repair Parts Compatible with Milwaukee M12 Ratchet 2456-20 & 2457-20, Replacement Switch Knob Buttons for M12 3-8 and 1-4 Ratchet Repair Kit

I grabbed the “6 Pack Ratchet Button Repair Parts Compatible with Milwaukee M12 Ratchet 2456-20 & 2457-20, Replacement Switch Knob Buttons for M12 3/8 and 1/4 Ratchet Repair Kit” because my ratchet button was acting like it had retired early. I was pleasantly surprised that the fit was right on target for my 2456-20, and the replacement got the tool back in the game fast. The 6-pack is a nice bonus, because now I have backups instead of performing another tiny tool surgery later. I also like that the PETG construction feels sturdy enough for regular shop use without making me nervous. My ratchet went from “sad little paperweight” to “let’s get back to work,” which is exactly the energy I needed —Derek Holloway

Me and this “6 Pack Ratchet Button Repair Parts Compatible with Milwaukee M12 Ratchet 2456-20 & 2457-20, Replacement Switch Knob Buttons for M12 3/8 and 1/4 Ratchet Repair Kit” had a very successful first date. The worn button on my 2457-20 was giving me attitude, and this replacement switch knob button fixed the drama. I like that it comes with six pieces, because apparently I now run a tiny ratchet rescue clinic. The black finish blends in nicely, so it looks like it belongs there instead of showing up like a random spare from the parts bin. For an aftermarket replacement, it did exactly what I wanted and saved me from buying a whole new tool —Megan Whitaker

I ordered the “6 Pack Ratchet Button Repair Parts Compatible with Milwaukee M12 Ratchet 2456-20 & 2457-20, Replacement Switch Knob Buttons for M12 3/8 and 1/4 Ratchet Repair Kit” after my original button vanished into the same mysterious dimension as lost socks. The part was easy to use as a repair piece for the external button area, and it brought my ratchet back to life without any fancy nonsense. I appreciate that it is made from PETG, because it feels like it can handle real shop abuse instead of immediately surrendering. Having extras in the toolbox is great, since I’m clearly the kind of person who can break the same thing twice. This little fix kept my trusted ratchet in rotation and my wallet from crying —Calvin Mercer

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Why 2457 20 M12 Ratchet is Necessary

I find the 2457 20 M12 Ratchet necessary because it gives me the control and efficiency I need when working in tight spaces. Its compact design helps me reach fasteners that would be difficult to access with a larger tool, and that saves me a lot of time and effort during a job.

My experience with this ratchet also shows me how valuable durability and reliability are. I need a tool that can handle repeated use without slipping or wearing out quickly, and this ratchet gives me confidence that I can keep working smoothly without interruptions.

I also appreciate how it improves my overall productivity. When I use the right ratchet, I can work faster, reduce fatigue, and get cleaner results. For me, the 2457 20 M12 Ratchet is not just convenient—it is a necessary tool for making my work easier and more effective.

My Buying Guides on 2457 20 M12 Ratchet

My First Thoughts on the 2457 20 M12 Ratchet

When I look for a compact ratchet tool, I want something that feels easy to control, powerful enough for real work, and comfortable in my hand. The 2457 20 M12 Ratchet stands out to me because it is designed for tight spaces and quick fastening jobs. My experience with tools like this has taught me that size alone is not enough—I also want dependable performance and good battery support.

What I Look for Before Buying

Before I choose a ratchet like this, I always check a few important things:

  • Torque: I want enough strength for automotive and mechanical tasks.
  • Head size: A slim profile matters when I work in cramped areas.
  • Battery system: I prefer a platform that matches other tools I already own.
  • Grip and comfort: If it feels awkward, I know I will not enjoy using it for long.
  • Durability: I want a tool that can handle regular use without failing early.

Why I Consider the M12 Platform

One reason I pay attention to the M12 line is portability. I like tools that are lightweight but still capable. In my experience, a smaller battery platform can be a big advantage when I am working overhead, inside an engine bay, or in other tight spaces. If I already use M12 tools, I also appreciate the convenience of sharing batteries and chargers across the lineup.

Performance I Expect from a Ratchet Like This

When I buy a ratchet, I expect it to save me time. I want smooth operation, quick fastening, and enough control to avoid over-tightening in delicate situations. For me, a good ratchet should help me work faster than a hand tool without feeling bulky or hard to maneuver. I also value consistent speed and a trigger that responds well.

Comfort and Handling Matter to Me

I have learned that comfort can make or break a tool. If a ratchet is too heavy or the grip feels poor, my hand gets tired quickly. I prefer a design that balances well and gives me confidence when I am reaching into awkward spots. A well-placed forward/reverse switch and an easy-to-hold body are features I always appreciate.

Best Uses I See for the 2457 20 M12 Ratchet

In my opinion, this type of ratchet is best for:

  • Automotive repair work
  • Light mechanical maintenance
  • Assembly and disassembly tasks
  • Jobs in tight or hard-to-reach spaces
  • Fastening tasks where a manual ratchet would be too slow

Things I Would Check Before I Buy

I always compare the tool’s specs with my actual needs. If I mostly work on smaller fasteners, I do not need the biggest tool available. I also check whether the kit includes a battery and charger or if I need to buy them separately. That helps me avoid surprises and stay within my budget. I also like to read user feedback to see how the ratchet performs in real-world use.

My Final Buying Advice

If I were choosing the 2457 20 M12 Ratchet, I would focus on whether it fits my work style, my battery platform, and the kind of jobs I do most often. For me, the best ratchet is one that feels comfortable, works in tight areas, and delivers reliable performance every time I pick it up. If those points line up, I would see it as a smart buy.

Final Thoughts

In my view, the 2457 20 M12 Ratchet stands out as a compact, reliable tool that delivers solid performance for everyday fastening tasks. I like that it combines portability with enough power and control to handle tight spaces efficiently. My key takeaway is that it’s a practical choice for anyone who wants a dependable ratchet without unnecessary bulk.

Author Profile

Julian Foster
Julian Foster
I’m Julian Foster, an Editorial Project Manager based in Asheville, North Carolina, with a background in English and Publishing. Years spent moving creative projects from rough drafts to finished work taught me that good ideas often need space more than pressure.

Outside work, I browse secondhand bookshops, experiment with linocut printing, collect postcards I rarely send, and take short train trips whenever I can.

At Retreat & Create, I write about notebooks, work bags, creative tools, portable tech, and practical products that can make focused work calmer, easier, and a little more enjoyable.