Magnetic Screwdriver Bits pick up easily and hold screws securely without slipping or falling out, providing an easy to use experience. 1/4 inch hex shanks are quick to change. Ideal for furniture assembly, home DIY, woodworking, electronics and auto repair, this is an essential addition to your toolbox. Screwdriver Bits size: 1 inch / 25 mm, 2 inch / 50 mm, 2.6 inch / 65 mm, 2.8 inch / 70 mm, 3.5 inch / 90 mm, 5 inch / 127 mm, 6 inch / 150 mm shank diameter 1/4inch (6.35mm) Alloy Steel Material: These screwdriver bits are made of alloy steel with a hardness of up to 62HRC, ensuring long lasting and reliable performance even under high intensity working conditions Magnetic Impact Drill Bits: These impact drill bits are equipped with magnetic properties that allow them to easily pick up and securely hold screws without slipping or falling off, and improve overall efficiency Fine Teeth Design: These bits feature non slip fine teeth and non slip serrated blades for excellent grip and stability, effectively preventing cams from falling off, ensuring precise fit of screws and improving drilling efficiency Multiple Sizes: screwdriver bits with lengths of 1 inch/25 mm(6Pcs), 2 inch/50 mm(6Pcs), 2.6 inch/65 mm(6Pcs), 2.8 inch/70 mm(6Pcs), 3.5 inch/90 mm(6Pcs), 5 inch/127 mm(6Pcs), 6 inch/150 mm(6Pcs), different sizes to meet your different needs; these bits are easy to carry or store Compatible with Multiple Tools: These drill bits are compatible with a variety of tools, including electric screwdrivers, drills,etc. suitable for furniture assembly, home DIY, woodworking, machinery, motorcycles, bicycles,electronic equipment and auto repair, which is an essential addition to your toolbox Colour: AS Shown Material: Alloy steel Package Contents: 42 x Screwdriver Bits 2 x Magnetiser 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.