7pcs Hex Head Allen Bit Set 100mm/4 inch Long Metric H2-H8 Quick Release Shank
- Made of high grade S2 steel ,heat treated for durability,hardness reached 61RCH,adapt to high strength working conditions,Perfect for Production Workshop
- 7pcs set, includes all of the most popular sizes:2mm (H2) 2.5mm (H2.5) 3mm (H3) 4mm (H4) 5mm (H5) 6mm (H6) 8mm (H8)
- The whole body of hex bit is magnetic,the bits can be firmly fixed on screwdrivers and keep screws stuck to them,can improve your work efficiency
- Special surface coating treatment, with strong anti-rust ability
- These 4 inch hex head allen bits fit for electric screwdrivers,hand screwdrivers,electric drills,air drills,cordless drills,impact drivers and so forth