Security Screwdriver Bit Set 50 Pieces Manufactured from chrome vanadium for increased durability. The Set Includes a selection of popular security screwdriver bits and accessories stored in a carrying case. Total Length 3" Length After Shank 2" Set Includes: Tamper Proof Star Bits - T10 T15 T20 T25t30 Star Bits - T8.T10.T15.T20.T25.T27.T30.T35.T40 Clutch Bits - 1.2.3 Torq Bits - 6.8.10 Spline Bits - M5.M6.M8 Tri-wing Bits - 1.2.3.4 Square Bits - 1.2 Spanner Bits - 4.6.8.10mm Flat Bits - 4.5.6mm Phillips Bits - No1 No2 Pozidrive Bits - No1 No2 Hex Bits Tp - 2 2.5 3 4 5 6mm Hex Bits - 4. 5. 6mm Magnetic Holder Complete In Blow Mould Case