Compact design allows work in tight areas. Ideal for cordless drills and uses standard 1/4" hex accessories. It has a durable all-metal housing and steel gears with balll bearing construction which allows this adapter to handle up to 235 in/lb (inch/pound) of torque. The compact design measures only 2" wide allowing it to fit in tight spaces where work is difficult to perform. The convenient quick change chuck accepts standard 1/4" hex drive accessories.