[Durable Materials]: Made of High-quality materials. Hardness reached 62HRC, And the magnetized screwdriver bits with overall induction hardening and impact resistance, toughness. which could be used on high strength working situations. [Magnetic Impact Drill Bit]: Special coating to protect the surface, rust-proof ability; Extra strong magnetism, to pick up and hold screws easily with no slipping or stripping.No more trouble of dropping screws. more powerful than normal cheap screwdriver bits. 1inch- 6inch short and long PH2 screwdriver bit set for many household works. [Anti- Bit Set]: The long head driver bits can catch the screw easily and quickly, anti fine tooth makes sure that each edge can be tighter fit, less cam out, accurately locked the screws and fix it to prevent head bits from slipping, bring professional, fast, and convenient drilling efficiency, and easily remove all common sizes damaged or peeled screws. improves work efficiency. [Wide compatibility]: for The bit is not only work with impact driver, but also suitable for 1/4 electric, manual screwdriver, drill screwdriver, power drills, corded drills, cordless drills, cordless driver, and general chuck of most electric hand drills. The screw extractor kit easy remove damaged screws or drill holes in . [Package Include]: 12PCS screwdriver bits, The length is 1 inch/ 25 mm, 2 inch/ 50 mm, 2.6 inch/ 65 mm, 2.8 inch/ 70 mm, 3.5 inch/ 90 mm, 6 inch/ 150 mm, Each size is 2 each, different sizes can meet your different needs; And they are easy to carry or store. Material: Metal colour: Black Package Contents: 12 x Magnetic Bits Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.