Features: * These drill bits are magnetic and can be attached to the screwdriver, suitable for electric screwdrivers, hand screwdrivers, power tool drills, air drills, etc. * These hex shank screwdrivers are made of alloy steel, which is a material commonly used in equipment with high hardness.* Magnetic bits are firmly attached to the screwdrivers. Specifications: Product Name: Pentagonal Screwdriver Material: Alloy Steel Color: Brown Bit Type: Five Point Torx Magnetic: Yes Shank: 1/4 Inch (6.35mm Hexagon) Length: 25mm Optional Model: TS8, TS10, TS15, TS20, TS25, TS27, TS30, TS40 Suitable for: electric screwdrivers, hand screwdrivers, power tool drills, air drills, etc. Optional: 12 pieces Package content: 12 screwdrivers Notes: 1. Transition: 1cm = 10mm = 0.39 inch.2. 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.3. Please allow slight manual measurement deviation for the data.