Features 1、Made of high quality S2 steel material which is durable and tough, a commonly used material in hardware 2、These screwdriver bits have strong magnetism that can attract and hold screws firmly 3、With 1/4 inch hex shaft, they are widely used on electric screwdrivers, hand screwdrivers, cordless drills, etc 4、There are five screwdriver bit sizes of TA1.8/TA2.0/TA2.3/TA2.7/TA3.0 in this set 5、Triangle-shaped screwdriver bit can drive screws in devices such as vacuum cleaners, fan heaters, elevators, camping stoves Specification Description: These screwdriver bits are made of high quality S2 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 S2 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: S2 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 Package List