Crafted from high-quality S2 alloy steel, known for its wear resistance and toughness, these hex head Hex wrench bits are built to last. Each bit features a strong magnetic tip ensuring a secure grip on screws, which prevents slipping and increases efficiency. With a 1 or 4 inch hex shank, these bits are compatible with electric screwdrivers, hand screwdrivers, electric drills, and air drills. Ideal for professional and DIY projects. Perfect for furniture assembly, machinery, car maintenance, and more Length:100mm Feature:1 or 4inch Hex Metric size: 1.5 or 2 or 2.5 or 3 or 4 or 5 or 6 or 8 or 10 or 12MM Colour:Green and Black Material:S2 alloy steel Package Contents: 10 x hex head bits Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.