Bit Holder Application - Tools Impact Drive Size 1/4 in Bit Holder Drive Type Hex Hex Shank Size 1/4 in Shank Style Hex Overall Bit Length 2 3/8 in Fastening Tool Material Steel Bit Retainer Type Retaining Ring Magnetic Impact Rated Yes Number of Pieces 1 Includes (1) Shockwave(TM) Compact Impact Magnetic Bit Holder