Material: High-quality CRV steel shaft with overall heat treatment, plating surface, wear resistance and corrosion resistance, higher hardness and bigger torque, also longer service lifeTips design: The tip is strong magnetic which can pick up small screws etc. for convenient useComfortable handle:1 PCS interchangeable handle, two-color rubber coating, more non-slip, wear-resistant, oil-resistant, labor-saving, and more comfortable to holdDesign: The special triangular fixing port on the handle is not easy to fall off after being inserted into the bit rod. Screwdriver tail hanging hole design, convenient for hanging displayComplete specifications: Bits and sockets which can be applied to various scenarios. Plastic box packaging, convenient storage,suitable for home decoration, car repair, toy repair ,etcTOLSEN 41PCS BITS & SOCKETS SETHigh quality Premium Durable Screwdriver bits inside which do not chip. Remain sturdy as day one.• 1pc quick change T-handle• 1pc 25mm CrV adaptor• 1pc 140mm extension bar• 6pcs sockets: 5, 6, 7, 8, 10, 12mm• 32pcs 25mm CrV bits: SL: 3, 4, 5, 6, 7mm PH: 2XPH0, 2XPH1, 3XPH2, 2XPH3 PZ: PZ0, PZ1 ,PZ2, PZ3 HEX: 2, 3, 4, 5, 6mm TX: T8, T9, T10, T15, T20, T25, T27, T30, T40