BOSTITCH BTMT72259 1/2 inch Drive Pear Head Ratchet features a 5Degree arc swing & slim head design that allows for easy maneuverability in constricted areas. This unit is constructed of chrome vanadium steel for strength & durability, and the 72-tooth gear system is ideal for high torque ratcheting. It has a low profile directional lever for easy one-hand operation. It also features an ergonomically designed handle that is great for user comfort.