12V max CXT Lithium-Ion Cordless 3/8" / 1/4" Sq. Drive Ratchet, Tool Only (RW01Z) is designed to loosen nuts and take the nut off the bolt. This ratchet features interchangeable 3/8” and ¼” anvils for versatility (included). The powerful Makita-built motor delivers 35 ft. lbs. of Max Torque. When the motor is not engaged, the ratchet can be used manually. Operator fatigue is reduced when the motor is engaged and due to the lightweight, ergonomic design. The low profile design provides improved handling in tight spaces and for overhead applications. For longer run time, 12V max CXT cordless tools are also compatible with the 12V max CXT Lithium-Ion 4. 0Ah battery (BL1041B, sold separately). 12V max CXT Lithium-Ion Batteries are engineered with a Battery Protection Circuit that protects against overloading, over-discharging and over-heating. It’s part of the expanding 12V max CXT series, combining performance with superior ergonomics in a compact size.