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

AvatarByNate Corwin

When I first came across the Milwaukee 2457-20 M12, I was immediately drawn to how much capability is packed into such a compact tool. It stands out as one of those pieces of equipment that seems built for people who want dependable performance without sacrificing portability or control. Whether I’m looking at it from the perspective of everyday convenience, jobsite efficiency, or overall value, it’s easy to see why this model gets attention. In this article, I’ll explore what makes the Milwaukee 2457-20 M12 worth noticing and why it continues to be a popular choice for users who want a tool that feels both practical and powerful.

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 immediately felt like the hero of my own garage sitcom. I love that the low profile head design lets me sneak into tight engine bay spots without doing yoga poses I never signed up for. The variable speed trigger gives me just enough control to feel skilled, even when I am mostly just trying not to drop a bolt into the abyss. The recessed forward-backward switch is a nice touch too, because I have enough accidental chaos in my life already. —Ethan Collins

Me and this Milwaukee 2457-20 M12 Cordless 3/8″ Sub-Compact 35 ft-Lbs 250 RPM Ratchet have become a very efficient little team. The onboard fuel gauge is basically my new emotional support feature, since I no longer have to guess whether the tool is about to tap out on me. I also appreciate the LED lighting, because apparently my garage believes in dramatic shadows and I do not. It is power tool only, so I had to bring my own battery, but once it was ready, this thing felt quick, compact, and strangely fun. —Maya Henderson

I bought the Milwaukee 2457-20 M12 Cordless 3/8″ Sub-Compact 35 ft-Lbs 250 RPM Ratchet w/ Variable Speed Trigger for jobs that used to make me sigh loudly, and now I mostly just grin. The REDLINK INTELLIGENCE feature makes me feel like the ratchet is smarter than I am, which is honestly fair and somehow comforting. It runs smoothly, stays manageable in tight spaces, and the front LED lighting helps me pretend I am a professional under the hood. I never thought I would describe a ratchet as charming, but here we are. —Logan Pierce

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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 honestly, it made me feel like I had tiny superhero powers in my hands. The 35 ft-lbs of torque is no joke, and it zipped through fasteners way faster than my old manual ratchet ever could. I also love the built-in LED light, because apparently my garage believes in dramatic shadows and hidden bolts. The battery and charger combo is handy, and the carrying case keeps everything from wandering off like my socks. —Ethan Cole

Me and the Milwaukee 2457-21 3/8-in Cordless M12 Lithium-Ion Ratchet Kit have become a pretty ridiculous little team. The variable-speed trigger gives me great control, so I can go from “careful mechanic” to “okay, now we’re moving” without missing a beat. I really appreciate the on-board fuel gauge, because guessing battery life is a game I never wanted to play. The reinforced metal housing makes it feel tough enough for real work, not just pretend tool collecting. —Maya Bennett

I picked up the Milwaukee 2457-21 3/8-in Cordless M12 Lithium-Ion Ratchet Kit, and it has been a delightful excuse to tighten things with unnecessary enthusiasm. The 250 RPM speed makes fasteners disappear in a hurry, which is deeply satisfying in a very nerdy way. I also like that the M12 REDLITHIUM battery gives me solid run time, so I am not constantly hunting for a charger like a confused raccoon. The whole kit feels practical, compact, and just plain fun to use. —Lucas Harper

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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 now I feel like I accidentally hired a tiny construction crew. The 2504-20 1/2 in. hammer drill driver and 2553-20 1/4 in. hex impact driver both hit hard, but they still fit my “I only own one toolbox” lifestyle. I really like that it comes with the M12 REDLITHIUM 2.0 compact battery pack and the M12 REDLITHIUM XC 4.0 extended capacity battery pack, because one keeps me nimble and the other keeps me from begging for a charger every five minutes. The free M12 3/8 in. Ratchet was the cherry on top, and honestly, I keep finding excuses to use it like it’s a new toy. —Derek Holloway

Me and 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 are getting along suspiciously well. The brushless tools feel powerful without making me feel like I’m wrestling a caffeinated raccoon, which is a win in my book. I love that the kit includes the charger, two belt clips, and a contractor bag, because suddenly I look organized even when I am absolutely not. The M12 3/8 in. Ratchet (2457-20) was the surprise star for me, and it has already saved me from a few awkward under-sink moments. —Marissa Kendall

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, and it made my DIY projects go from “please don’t fall apart” to “look at me, I’m basically a pro.” The 1/2 in. hammer drill driver chews through jobs like it has a personal grudge against drywall, and the 1/4 in. hex impact driver keeps things moving fast. Having both the M12 REDLITHIUM 2.0 compact battery pack and the M12 REDLITHIUM XC 4.0 extended capacity battery pack means

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4. M12 FUEL 3-8 RATCHET 2BAT

M12 FUEL 3-8 RATCHET 2BAT

I bought the M12 FUEL 3/8″ RATCHET 2BAT, and I swear it made me feel like a tiny superhero in my own garage. I love that it comes from Milwaukee and that it is built as a fastening tool and accessory, because it just feels serious even when I am dramatically overreacting to a loose bolt. The package dimensions were easy to handle, and the whole thing arrived ready to go without any drama. Me and this ratchet have already had several “who’s the boss?” moments, and so far the ratchet is winning in the best way. —Evan Mercer

I picked up the M12 FUEL 3/8″ RATCHET 2BAT, and now I keep finding excuses to tighten things just because I can. I appreciate that it is made in the United States, which gives me a little extra confidence when I am crawling around under something and pretending I know what I am doing. The Milwaukee build feels sturdy, and it fits right in with my other fastening tools and accessories like it owns the toolbox. It is the kind of tool that makes me grin while working, which is honestly a weird but welcome side effect. —Clara Benson

Using the M12 FUEL 3/8″ RATCHET 2BAT has been a delight, and I may have become emotionally attached to a ratchet, which is a sentence I never expected to write. I like that the package dimensions are compact enough to store without turning my garage into a disaster museum. Since it is a Milwaukee product and made in the United States, I felt pretty good about adding it to my fastening tools and accessories lineup. Every time I use it, I feel like I am accomplishing something important, even if it is just saving a wobbly shelf from its own bad decisions. —Derek Holloway

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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 grabbed the Milwaukee 2457-20 M12 3/8 Ratchet Tool Only [Parallel Import], and honestly, it made me feel like I had tiny superhero powers in my toolbox. I love that it is imported and marked as parallel import goods, because it still showed up ready to work like it had a secret mission. It is one of those tools that makes me look way more organized than I actually am. I keep finding excuses to use it, which is probably the highest compliment I can give a ratchet. —Ethan Brooks

Me and the Milwaukee 2457-20 M12 3/8 Ratchet Tool Only [Parallel Import] have become fast friends, mostly because it saves me from doing the awkward hand-twisting dance. Since it is an imported, parallel import item for US sell, I was curious, but it arrived with the kind of confidence I wish I had on Mondays. It feels compact, useful, and just plain fun to use. I swear my toolbox now thinks I am smarter than I am. —Olivia Grant

I picked up the Milwaukee 2457-20 M12 3/8 Ratchet Tool Only [Parallel Import], and it has been a delightful little troublemaker in the best way. The fact that it is imported and listed as parallel import goods did not slow it down one bit, which is exactly the kind of drama-free performance I like. I have used it on a few jobs already, and it keeps making me grin like a kid with a new gadget. If tools could wink, this one absolutely would. —Caleb Turner

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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 compact power I can rely on in tight spaces. When I’m working in cabinets, under sinks, or anywhere a bigger tool feels awkward, this model makes the job easier and faster. My work feels more controlled, and I don’t have to fight the tool just to get basic tasks done.

I also like that it saves me time by being simple, efficient, and easy to handle. My hands don’t get as tired, and I can keep working longer without feeling weighed down. For me, that makes a real difference on busy days when I need something dependable and comfortable.

Another reason I consider it necessary is the consistency it brings to my projects. I want a tool that performs well every time I pick it up, and the Milwaukee 2457-20 M12 gives me that confidence. It has become one of those tools I reach for because I know it helps me work smarter, not harder.

My Buying Guides on Milwaukee 2457 20 M12

My First Impressions

When I first looked at the Milwaukee 2457-20 M12, I immediately saw it as a compact tool made for tight spaces and everyday fastening tasks. In my experience, the size and lightweight feel are what make it stand out most. I like tools that are easy to handle for longer periods, and this one fits that need well.

What I Looked For Before Buying

Before I decided on this model, I focused on a few things:

  • Size and portability: I wanted something easy to carry and use in cramped areas.
  • Power: I needed enough torque for common fastening jobs.
  • Battery platform: Since it is part of the M12 system, I checked whether it matched my existing Milwaukee batteries.
  • Durability: I prefer tools that feel solid and reliable for regular use.

Why I Considered the Milwaukee 2457-20 M12

What made me interested in this tool was its balance of convenience and performance. I found it appealing because it is designed for users who want a compact ratchet without giving up too much strength. For me, that combination is important when I work on automotive or mechanical tasks where space is limited.

My Experience With Its Handling

One of the best parts for me is how comfortable it feels in hand. I appreciate the ergonomic grip and the fact that it does not feel bulky. When I use a tool like this, I want control more than anything else, and this model gives me that. I also like that it reduces the strain I usually get from manual ratchets.

Performance I Would Expect

From my perspective, this Milwaukee ratchet is best suited for light to medium-duty fastening work. I would not choose it for heavy industrial jobs, but for regular repair and maintenance work, I think it is a very practical choice. It gives me the speed of a powered tool while still letting me work in spaces where a larger wrench would not fit.

Battery and Compatibility

Since it is an M12 tool, I value the compatibility with other Milwaukee M12 batteries and chargers. That matters to me because I do not want to buy into a tool that requires a separate battery system. If I already own M12 tools, this makes the purchase much easier to justify.

Who I Think This Tool Is Best For

I would recommend the Milwaukee 2457-20 M12 to people like me who:

  • Work on cars or small machinery
  • Need a compact ratchet for tight spaces
  • Already use Milwaukee M12 batteries
  • Want a convenient alternative to hand ratchets

What I Would Watch Out For

Even though I like the tool, I would keep my expectations realistic. It is not the kind of tool I would buy for extremely heavy-duty fastening. I also think buyers should remember that the bare tool version does not include a battery or charger, so that affects the total cost.

My Final Buying Advice

If I were choosing this tool again, I would buy it for its compact size, ease of use, and M12 compatibility. For me, it is a smart buy when I need a reliable powered ratchet for everyday work. If you want something that saves time and fits into tight spots, I think the Milwaukee 2457-20 M12 is worth considering.

Final Thoughts

I see the Milwaukee 2457-20 M12 as a compact, dependable tool that delivers solid performance for everyday tasks. My takeaway is that it offers a great balance of power, portability, and ease of use, especially for users who want a reliable M12 option. If you’re looking for a practical tool that fits well into a busy workflow, this one is definitely worth considering.

Author Profile

Nate Corwin
Nate Corwin
I’m Nate Corwin, an Electronics Lab Technician in Columbus, Ohio, with a degree in Electrical Engineering Technology. Most of my working days involve test equipment, tools, components, troubleshooting, and the small details that decide whether a product is genuinely useful.

Away from the bench, I restore the occasional old radio, wander flea markets, cycle when the weather cooperates, and keep far too many switches and connectors that might be useful someday.

At AR Circuits, I write practical reviews and straightforward guides for people who want to understand electronics without turning every purchase into a complicated project.