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

TLDR Review: Milwaukee M12 Ratchet

By ShopSavvy Team

Published: September 1st, 2026

Pros

•Compact and lightweight design makes it easier to handle, especially in tight spaces.
•Quiet operation helps maintain a peaceful workspace without noisy air hoses.
•Fast RPM speed for quick bolt removal and tightening.
•Includes a higech, fast-charging lithium-ion battery and a sturdy case with secure straps.
•Bonus reducer adapter increases versatility for different applications.
•Performs reliably with knockoff batteries tested during use.
•Features auto shuff when sensing torque, improving safety and efficiency.
•Bright LED light enhances visibility in loight conditions.
•Constructed with durable steel gearbox and internals for longevity.
•Better ergonomics and performance compared to cheaper alternatives, offering good value.

Cons

•Limited torque around 0 foot-pounds, effective only for light chores.
•Batteries can be problematic; some arrive dead or incompatible with chargers.
•Battery reliability appears inconsistent, affecting overall usability.
•Not suitable for heavuty tasks or bolts requiring higher torque.
•Slightly heavier than expected, which may cause hand fatigue over extended use.
•Battery life is short, draining quickly even with light use.
•The ratcheting system failed after two years of use, raising durability concerns.
•Despite a ear warranty, it’s only valid if purchased from an authorized dealer; Amazon purchases don’t qualify.
•The product isn’t brushless, despite seller claims, which could affect longevity.
•Some users find it weak for certain tasks and recommend alternative models like the Milwaukee Fuel 18V.

Bottom Line

This Milwaukee 2457-21 cordless ratchet is a handy tool for light-duty tasks and tight spaces, thanks to its compact size, quiet operation, and quick speed. However, its limited torque and battery reliability issues mean it’s best suited for small jobs around the house or in the workshop. If you need a more powerful or heavy-duty tool, consider the Milwaukee Fuel 18V model, which offers higher torque and better overall durability.

Lowest at any Popular Retailer

$142.00 at Amazon

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 138 retailers to give you the short version.