Features: 1. Super Strong Magnetic: Super magnetic capacity to fix the screws firmly in the exacts position without worrying about swinging or falling. No need to hold the screw by hand to ensure safe operation. 2. Efficient work: These magnetic bits deliver one-handed drilling and speed up the process of twisting screws so you can work more efficiently and easily. 3. Durable: Made of high hardness chrome vanadium steel with quenching treatments it is rust-proof wear-resistant durable and long-lasting. Strong torque easy to fix and prevent slipping. 4. widely compatible: with electric drills hand drills electric screwdrivers manual screwdrivers etc. for easy drilling installation and removal of screws. Ideal for auto repair home repair manufacturing construction industrial use and more. 5. If you have any question please feel free to contact us Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Overall length: 45mm Sleeve inner diameter: 8mm includes: Choice: 1PCS Magnetic Hexagon Drill Bits Choice: 5PCS Magnetic Hexagon Drill Bits Choice: 10PCS Magnetic Hexagon Drill Bits "