An extremely useful set of screwdriver bits that cover virtually all types of bit. High quality chrome vanadium (CRV) steel bits. Standard size 1/4" hexagonal drive bits. Supplied complete in a blow molded storage case. Contents: Philips 0, 1, 2, 2, 2, 2, 2, 3 Pozi Drive 0, 1, 2, 2, 2, 2, 2, 3 Square Recess 0, 1, 2, 3 Slotted 3, 4, 4.5, 5, 5.5, 6, 6.5, 7, 8 mm Spanner 4, 6, 8, 10 mm Torx T8, T10, T15, T20, T25, T27, T30, T40, T45 Torque Screws 6, 8, 10 Torx Tamperproof T8, T10, T15, T20, T25, T27, T30, T35, T40 Tri Wing 1, 2, 3, 4 Hex 1.5, 2, 2.5, 3, 4, 5, 5.5, 6, 8 mm Clutch 1, 2, 3 Hex 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4 Spline M5, M6, M8 Tamperproof Hex 2, 2.5, 3, 4, 5, 6 Tamperproof Hex 5/32, 9/64, 1/8, 7/64, 3/32, 5/64 Three Way Driver 3 Adaptors 60mm Bit Holder