Features: Size: In this drivers set we provide you withT8-T40 star bits 4/ 6/ 8/10mmspanner bits 4/5/6mmflat bits and etc. Material: Made of high-quality metal with excellent hardness and torque. This set can serve you for a very long time. Wide range of usages: This scewdriver driver bits set is suitable for PVC pipe wood and metal. Application: This type of scewdriver driver bits set is suitable for hand electric screwdriverand impact screwdriver. Rust proof: This screwdriver driver set adopts high quality material which will avoid rust well. Specifications: Size: Star Bits - T8/T10/ T15/T20/T25/T27/T30/T35/T40 TP Star Bits - 10/15/ 20/25/T30 Clutch Bits - 1/2/ 3 Torq Bits - 6/ 8/10 Spline Bits - M5/M6/M8 Tri-Wing Bits - 1/ 2/ 3/ 4 Square Bits - 1/ 2 Spanner Bits - 4/ 6/ 8/10mm Flat Bits - 4/5/6mm Cross Bits - No.1/2 Pozidriv Bits - No.1/ 2 Hex Bits TP - 2/ 2.5/3/4/5/6mm Hex Bits - 4. 5. 6mm Magnetic holde Material: Metal includes: 1 *50pcs Electric Screwdriver Driver Hex Bits Set "