Features: * Made of high quality material, durable and practical to use * These drill bits are magnetic and can be attached to the screwdriver, suitable for electric screwdrivers, hand screwdrivers, practice power tools, air drills etc. * Hex screw screwdrivers are made of steel S2 alloy, which is commonly used in high hardness equipment.* Magnetic bits are firmly attached to screwdrivers. Specifications:* Material: S2 Alloy Steel* Bit Type: Five Star* Shank Type: 1/4 Hex Shank* Color: Silver(As Pictures Show)* Optional Models:T10/T15/T20/T25/T27/T30/T40* Length: 50mm* Quantity: 1 pc Package content: 1 * Screwdriver bit Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.