The Draper 45 Piece Security Screwdriver Bit and Driver Set contains a magnetic soft grip driver, three tri-wings of size 1, 2 and 3, four spanners of size 4, 6, 8 and 10, five splines of size M4, M5, M6, M8 and M10, four squares of size S0, S1, S2 and S3, six metric security hexes of size 2, 2.5, 3, 4, 5 and 6mm, six imperial security hexes of size 5/32, 9/64, 1/8, 7/64, 3/32 and 5/64inches, seven TX-STARs of size T5, T6, T7, T8, T10, T15 and T20 with nine TX-STAR security of size T8T, T9T, T10T, T15T, T20T, T25T, T27T, T30T and T40T. The bits are manufactured from chrome vanadium steel, hardened and tempered with a shot-blast finish. The set is also supplied with a one-quarter-inch soft grip driver, a heavy-duty storage case with plastic inlay to hold bits securely.