Features 1、Exquisite workmanship, each edge can be accurately locked screws, no damage to the screw, and the screwdriver head 2、Strong magnetic can suck the screws easily when used it 3、Fit for electric screwdrivers, hand screwdrivers, electric drills, air drills and so forth 4、Adopted of high quality S2 alloy steel, which is anti-impact and tough, great wear resistant 5、Professional multi size package, hexagonal handle on the edge of 6.35mm, can meet your varied requirements Specification Descriptions: These screwdriver bits are made of high quality S2 material which is durable, anti-impact and tough. Magnetism enables them to fix on screwdrivers firmly. They are widely used in electric screwdrivers, hand screwdrivers, electric drills, air drills and so forth. So practical item, make your life easier. Features: Exquisite workmanship, each edge can be accurately locked screws, no damage to the screw, and the screwdriver head. Strong magnetic can suck the screws easily when used it. Fit for electric screwdrivers, hand screwdrivers, electric drills, air drills and so forth. Adopted of high quality S2 alloy steel, which is anti-impact and tough, great wear resistant. Professional multi size package, hexagonal handle on the edge of 6.35mm, can meet your varied requirements. Specifications: Material: S2 alloy steel Length: 100 mm/3.93inch Type of head: Slotted Models: SL3, SL4, SL5, SL6 Package Included: 1 xSL3 Screwdrivers Bit 1 x SL4 Screwdrivers Bit 1 x SL5 Screwdrivers Bit 1 x SL6 Screwdrivers Bit Package List