ERGO screwdriver with interchangeable blades and bits set, 22pcs (blades=16pcs; bits=6pcs) ERGO handle with quick release bit holder 1/4" (lock-in type system for easy and safety lock) Handle: 3-component handle, for maximum user comfort and force transmission Easy to choose the right tip, with the colour-coded handle Hexagonal blades of 100mm. Phosphate finish Bits of 25mm. Zinc phosphate finish Presented in a modular system T6. Environmentally friendly foam, complying wiht EU requirements 2 colour tool control system heps to identify missing items