Fangrui Product Details [ 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 , 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-slip Bit Set]: The Long Head Driver Bits Can Catch The Screw Easily And Quickly, Anti Slip 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 Or Peeled Screws. Improves Work Efficiency. [wide Compatibility]: For The Bit Is Not Only Work With Impact Driver, Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.