This precision screwdriver set is great for focus on special, small projects, all in a convenient see through storage case. Rotating cap on driver allows for precise turning and steady finger control. Chrome tips are precision ground for exact fit. Set includes: comfort grip screwdriver handle; extension bar; and 20 precision screwdriver bits: SLOTTED: 1.5, 2, 3, 4; PHILLIPS: 000, 00, 0, 1; POZI: 00, 0, 1; TORX: 5, 6, 7, 8, 9; HEX: 0.9, 1.3, 1.5, 2 and convenient hard carrying case.