Bosch 360 deg Auxiliary Handle is designed for 1011VSR, 1012VSR, 1013VSR, 1030VSR, 1031VSR, 1032VSR 3/8" electric drills, 1014VSR, 1033VSR, 1034VSR, 1035VSR 1/2" electric drills, drills, 1/2", 3/8" hammer drills, 1/2" dual torque drill, electric drills, 3/8" tapper with auto revs, rotary hammers, electric rotary drill and 1/2" corded hammer drill.