This set has been manufactured from durable chrome vanadium for ensured robustness and colour coded for easy identification. This set includes:- 4 x Slotted Bits (3 4 5 & 6mm)- 4 x Philips Bits (PH1 2x PH2 & PH3)- 4 x PoziDrive Bits (PZ1 2x PZ2 & PZ3)- 4 x Hex Bits (3 4 5 & 6mm)- 7x Torx Bits (T10 T15 T20 T25 T27 T30 & T40)- 7x Security Torx Bits (TPX10 TPX15 TPX20 TPX25 TPX27 TPX30 & TPX40)PTDCLA1801918