Draper Bit Holder Set (127 Piece) - SEC127Expert Quality, comprehensive set of 1 4" bits manufactured from chrome vanadium steel, hardened and tempered with a shot blast finish. Bit holder with quick release collet allows bits to be expelled quickly and efficiently. Supplied in a heavy duty storage case with plastic inlay to hold bits securely. Display packed. 1 x Plain slot 150mm long bits: 6mm 2 x Cross slot 150mm long bits: No. 2, No. 3 2 x PZ TYPE 150mm long bits: No. 2, No. 3 1 x Plain