The BlueSpot 100 Piece Security Screwdriver Bit Set is manufactured from chrome vanadium for increased durability. Includes a selection of popular security screwdriver bits and accessories. Includes handy carrying case for quick and convenient storage.Package Contents - PH: #0, #1, #2 (x5) & #3. Pozi bits: #0, #1, #2 (x5) & #3. Square recess bits: #0, #1, #2 & #3. Slotted bits: 3, 4, 4.5, 5, 5.5, 6, 6.5, 7 & 8mm. Spanner bits: 4, 6, 8 & 10. Torx: T8, T10, T15, T20, T25, T27, T30, T40 & T45. Tamper proof Torx bits: T8, T10, T15, T20, T25, T27, T30, T40 & T45. Torx bits: 6, 8 & 10mm. Tri-wing bits: #1, #2, #3 & #4. Hex: 1.5, 2, 2.5, 3, 4, 5, 5.5, 6 & 8mm. Imperial hex bits: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32" & 1/4". Metric Tamper proof hex bits: 2, 2.5, 3, 4, 5 & 6mm. Imperial Tamper proof hex bits: 5/32", 9/64", 1/8", 7/64", 3/32" & 5/64". Spline bits: M5, M6 & M8. Clutch bits: #1, #2 & #3. Wing nut driver. Magnetic bit holder. Socket bit holder. 1/4" square x 1/4" hex x 1" extension. 1/4" square x 1/4" hex x 2" extension.Manufactured from chrome vanadium for increased durabilityIncludes a selection of popular security screwdriver bits and accessoriesIncludes handy carrying case for quick and convenient storage