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Internet # 302451803

Model # 2557-20

Store SKU # 1002718788

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M12 FUEL 12V Lithium-Ion Brushless Cordless 3/8 in. Ratchet (Tool-Only)

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  • Balanced, in-line design suitable for one-handed use
  • Recessed head profile for more access in tight spaces
  • Up to 55 ft. lbs. Max Torque
  • View More Details

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Product Details

About This Product

The MILWAUKEE M12 FUEL 3/8 in. Ratchet is the first cordless tool that provides both the torque and compact size to replace pneumatic ratchets in the industry. This cordless ratchet has up to 55ft-lbs of max torque and 200 rpm's making it the ideal fastening solution for automotive mechanics, repair technicians and maintenance workers who demand maximum performance and convenient portability. The M12 battery powered ratchet has a low profile head and cordless design which allows users more access in tight spaces than competitive units. With the industry leading FUEL technology, a reinforced mechanism and investment cast steel yoke housing, this rechargeable ratchet can withstand daily jobsite wear and tear for years of reliable use. Milwaukee's cordless ratchet has eliminated the constant maintenance of pneumatic ratchets and the nuisance of an air hose in the shop. The M12 FUEL Ratchet delivers the maximum portability and productivity for the professional user.

Highlights

  • Pneumatic ratchet performance with up to 55 ft. lbs. max torque
  • Low profile head design allows users for more access in tight spaces
  • Delivers 200 RPM for increased productivity
  • Industry leading FUEL technology, a reinforced mechanism and investment cast steel yoke housing provides greater durability for the professional user
  • Providing the first brushless ratchet in the industry, the POWERSTATE brushless motor delivers up to 2x longer motor life
  • REDLINK PLUS intelligence prevents damage to the tool and battery due to overloading or overheating
  • REDLITHIUM batteries deliver more work per charge and more work over the life of the battery
  • Variable speed metal trigger provides ultimate control of the tool
  • Premium rubber overmold withstands corrosive materials and provides increased comfort when in use
  • LED light illuminates the work area while the on-board fuel gauge displays remaining run time
  • Ergonomic and compact solution at 11.8 in. and 2.8 lbs. with battery (battery not included)
  • Compatible with all M12 batteries and chargers
  • Includes: 2557-20 M12 FUEL 3/8 in. ratchet (bare tool)
  • 2557-20 M12 FUEL 3/8 in. ratchet (bare tool)
  • Shop All Milwaukee Tools
  • Click here for more information on Electronic Recycling Programs
  • Return Policy

Product Information

Internet # 302451803

Model # 2557-20

Store SKU # 1002718788

Additional Resources

Shop All Milwaukee

Specifications

Dimensions: H 2.74 in, W 1.93 in, D 10.87 in

Dimensions

Drive Size (in.)

3/8 in.

Product Depth (in.)

10.87 in

Product Height (in.)

2.74 in

Product Width (in.)

1.93 in

Details

Batteries Included

No

Battery Amp Hours

No Battery

Battery Power Type

Lithium Ion

Battery Size

12-volt

Battery Voltage (V)

12V

Charger Included

Charger Not Included

Color Family

Red

Cordless Tool Type

Cordless Ratchet

Cordless/Corded

Cordless

Included

Tool Only

Motor Type

Brushless

Number of Total Batteries Included

0

Power Tool Features

LED Light, Sub-Compact, Variable Speed

Product Weight (lb.)

2.43 lb

Returnable

90-Day

Tool Only| Kit

Tool Only

Tool Series

FUEL

Tools Product Type

Power Tool

Variable Speed

Yes

Warranty / Certifications

Manufacturer Warranty

5 Year Tool Warranty

Questions & Answers

What is the run time per battery with a orbital sander
ByMar 23, 2026
1 Answer | 
Answer This Question

Hey, James. Expect about 20–25 minutes of continuous sanding on high speed with an M12 XC 3.0Ah battery.

By|Mar 24, 2026


    Are these batteries Red Link?
    ByJan 17, 2026
    1 Answer | 
    Answer This Question

    Yes, the M12 12-Volt Lithium-Ion XC Extended Capacity 3.0 Ah Battery Pack utilizes Milwaukee's REDLINK™ Intelligence. This technology provides optimized performance and overload protection by enabling total system communication between the tool, battery, and charger.

    By|Jan 20, 2026


      Is this battery charger compatible with the compact mini blower battery?
      ByNov 20, 2025
      1 Answer | 
      Answer This Question

      Hi, Charlie. M12 battery packs are compatible with all M12 Power tools, including the M12 Compact Blower.

      By|Dec 21, 2025

        (1)

        How do this style battery plug into heatedj jacket
        ByNov 19, 2025
        2 Answers | 
        Answer This Question

        M12 batteries connect to Milwaukee heated gear through an M12 Power Source or Battery Holder. This adapter is compatible with all M12 REDLITHIUM batteries and provides power to the heated gear. The power source typically includes a USB port for charging other devices and an onboard fuel gauge to monitor battery life.

        By|Nov 21, 2025

          Uuuuhhhhhh??? Brainz?

          By|Mar 19, 2026


            will these batterys work in heated jacketts
            ByNov 19, 2025
            1 Answer | 
            Answer This Question

            Hey, Jake. Yes, the M12 12-Volt Lithium-Ion XC Extended Capacity 3.0 Ah Battery Pack is compatible with Milwaukee M12 Heated Jackets. These jackets are powered by M12 REDLITHIUM batteries, and the XC 3.0 Ah battery provides extended runtime, making it an excellent choice for heated gear.

            By|Feb 1, 2026

              (1)

              Does this kit come with the rubber boot?
              ByMay 31, 2025
              2 Answers | 
              Answer This Question

              Why is it pictured with everything else if you dont get it?

              By|Jun 2, 2025

                The M12 FUEL 12V Lithium-Ion Brushless 1/2 in. Cordless Ratchet Kit does not come with the rubber boot included. The rubber boot is available separately as an accessory.

                By|Jun 1, 2025


                  Why does it keep shutting off when I'm trying to run it. I've got to keep letting the switch off and start over and over cause of it.
                  ByApr 25, 2025
                  1 Answer | 
                  Answer This Question

                  Hey, Dennis. Could you email our team at Social.Media@MilwaukeeTool.com, so we can take a look into the situation?

                  By|Apr 30, 2025


                    Will this work with the pruning shears?
                    ByJan 31, 2025
                    1 Answer | 
                    Answer This Question

                    Hi, Gary. Yes, the M12 12-Volt Lithium-Ion XC Extended Capacity 3.0 Ah Battery Pack will work with the M12 Brushless Pruning Shears. The M12 Brushless Pruning Shears are fully compatible with the M12 system, which includes the M12 XC High Capacity REDLITHIUM Battery.

                    By|Aug 15, 2025

                      (1)

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                      Customer Reviews

                      4.7 out of 5

                      • 4.7 out of 5,507 reviews
                      • 95% recommend this product
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                      by
                      This Milwaukee cordless ratchet is a solid, reliable tool that’s perfect for tight spaces and everyday mechanical work. It feels sturdy in hand, has great balance, and delivers smooth, consistent power without being overly loud. The battery charges quickly and lasts long enough to get through multiple jobs, which makes it convenient for both quick fixes and longer projects. I also like how compact it is—it easily fits where traditional ratchets struggle. Overall, it’s a great time-saver and a dependable addition to any tool kit, especially if you’re looking for efficiency without sacrificing control.
                      by
                      Great batteries! What more could you ask for? The 3.0 Ah battery has the larger footprint base which makes standing certain tools easier. Still lightweight and very convenient with the extended capacity, red lithium an overall dependability of Milwaukee. This is a 2-pack of the XC3.0 battery. Super fast shipping and a great “special buy” made for an easy decision.
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                      These batteries are a lightweight and quick attach and charge option absolutely love my Milwaukee stuff.
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                      This drill was easy to assemble and works great. I use it everyday. Also the batteries last long. I love having reliable tools that i know will get the job done
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                      Compare Key Features

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                      Product Snapshot

                      Ideal for professionals seeking durability and performance, this cordless ratchet delivers 55 ft-lbs of torque and features a brushless motor for extended life.
                      Ideal for automotive mechanics and professionals, this ratchet delivers 35 ft-lbs of torque and features a compact design for access in tight spaces.
                      Ideal for professionals seeking durability and power, this ratchet offers 55 ft./lbs. of torque and a slim head for tight spaces, ensuring efficient performance.
                      Ideal for professionals or homeowners seeking durability and performance, this kit delivers maximum power and long motor life.

                      Torque Output

                      55 ft-lbs
                      35 ft-lbs
                      55 ft./lbs.

                      Battery Life

                      Variable Speed Control

                      LED Light

                      Brushless Motor