products description: These screwdriver bits are made of high quality material which is durable and tough. With 1/4 inch hex shaft, they are widely used on electric screwdrivers, hand screwdrivers, electric drills, etc. What are you waiting for? Get this set and make your life easier. Features: Made of high quality steel material which is durable and tough, a commonly used material in hardware. These screwdriver bits have strong magnetism that can attract and hold screws firmly. With 1/4 inch hex shaft, they are widely used on electric screwdrivers, hand screwdrivers, cordless drills, etc. There are five screwdriver bit sizes of TA1.8/TA2.0/TA2.3/TA2.7/TA3.0 in this set. Triangle-shaped screwdriver bit can drive screws in devices such as vacuum cleaners, fan heaters, elevators, camping stoves. Specification: Materials: alloy steel Color: As shown in the pictures Magnetic: Yes Head Type: TA1.8/TA2.0/TA2.3/TA2.7/TA3.0 Hex Shank: 6.35mm(1/4) Length of Screwdriver Bit: 50mm / 1.97 Quantity: 5pcs Package Includes:5 x Screwdriver Bits