The M12 Cordless 3/8 in LITHIUM-ION Ratchet is the most compact and powerful ratchet in its class At only 10-3/4 in long and 1.9 lbs, this lightweight tool is the ideal fastening solution for automotive mechanics and maintenance and repair professionals desiring maximum performance, portability and productivity The compact 3/4 in low profile head design allows users to work in the tightest of spaces or engine bays The M12 Cordless 3/8 in Ratchet utilizes a powerful 12V motor to produce up to 35 ft-lbs of torque and 250 RPM, giving users the power and speed of a pneumatic ratchet with freedom from the air hose The variable speed metal trigger and re-inforced steel housing provide maximum control and durability with any application The 2457-21 delivers best in class power, speed, and durability in an extremely compact form, maximizing productivity for the end user