Milwaukee 2457-21 is the most compact and powerful cordless 3/8" ratchet in its class. Ideal for automotive mechanics and maintenance & repair professionals, it features a compact 3/4" low profile head design that allows users to work in the tightest of spaces or engine bays. The powerful 12V motor delivers 35 ft-lbs of torque, comparable to pneumatic ratchets, giving users ample power for a variety of fastening applications. The variable speed metal trigger provides greater control and durability, while the on-board fuel gauge displays remaining runtime.