The ProMAXX PowerDrive Hex Adapter, No. PMXPDH250A, is designed to convert any type of 1/4" drive ratchet, including electric, air, and hand, into a powerful, high-torque hex screwdriver. With a compact design, its 1/2" tall profile allows users to reach limited access areas with an included straight-head or Phillips-head hardened-steel bit. Additionally, the PowerDrive Hex accepts any 1/4" security hex shank specialty bit, enabling technicians to use their ratchet for any repair, even in the tight sections of the engine compartment. Made in the U.S.A.