WERA Drive Bit 4mm 35mm Overall 003031 3/8" Hex-Plus Socket, Tip, Length,

Tip size (mm): 4.0, total length (mm): 35.0 The bit socket with 3/8" drive and retention function reduces the risk of losing the screw when feeding it into the workpiece, making screwdriving particularly comfortable. The "Take it easy" tool finder is color-coded by size, making tool identification quick and easy. Knurling on the bottom edge provides better grip when using manually. Chrome vanadium steel with matt chrome plated finish.