The ATD Tools 3/8" Drive 3-in-1 Variable Length Ratchet, No. PLT-99638, features one ratchet that can work in four different lengths. The handle extensions securely attach to a compact 4" fixed head ratchet and can extend 18" to help reach fasteners and to provide additional torque. Made from chrome vanadium steel, the ratchet can provide up to 300 ft-lbs of torque and requires only 5 degrees of movement. The 72-tooth ratchet meets or exceeds ANSI specifications and includes a tray with lid for easy storage. It has a limited lifetime warranty.