US PRO Tools 18pc Impact Accessory Set 1/4" 3/8" 1/2" Drives UJ Step Up/Down 3685

General description An eighteen piece accessory set for impact drive tools, designed for strength and durability. Technical specifications Material: Chromium-vanadium steel Finish: Black phosphate Set includes: 1/4" Drive impact extension bars: 3" and 6" 3/8" Drive impact extension bars: 3", 6", and 10" 1/2" Drive impact extension bars: 3", 6", and 10" Impact socket adaptors: 1/4" F x 3/8" M, 3/8" F x 1/4" M, 1/2" F x 3/8" M, 3/8" F x 1/2" M Impact universal joint: 1/4" Drive, 3/8" Drive, and 1/2" Drive Impact bit adaptors: 1/4" Hex x 1/4" Drive, 1/4" Hex x 3/8" Drive, and 5/16" Hex x 1/2" Drive Other information Supplied in a storage case