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