1Made of highquality steel, durable, impactresistant, not easy t damage. 2It is magnetic, so it can be firmly fixed to the screwdriver and is easy to use. 3Suitable for electric screwdrivers, hand screwdrivers, electric drills, air drills, etc. 4Strong magnetism, good workmanship, high accuracy, safety and reliability. 5It can be locked accurately without damaging the screw and screwdriver bit. Item Type: Screwdriver Bit Material: Steel Weight: Approx. 110g/3.9oz Scope of Application: Screwdriver, Electric Drill, Etc. Product Size: Approx. 6 x 0.7cm/2.4 x 0.3in } 10 x Screwdriver Bit 1. Please allow 0and 8209 2 cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 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.