10pcs 1/4inch Shank 65mm S2 Alloy Steel Hex Head Screwdriver Bits Set H6.3x65mmxH2.5

10pcs 1/4inch Shank 65mm S2 Alloy Steel Hex Head Screwdriver Bits Set H6.3x65mmxH2.5 Specification: Features: It is made of S2 alloy steel material overall heating treatment hardness of ? HRC58 high torque and good toughness sturdy and durable. The surface is processed by special blue treatment good-looking and not easy to rust. Surface printed with specifications easy to choose the one you need. The magnetic head of the bit is convenient to use and not slip. Wide application range fit most electric screwdrivers drills or other power tool. Specifications: Material: S2 alloy steel Bit head diameter: 2.5mm / 0.10 inch Shank diameter: 6.3mm / 0.25inch Length: 65mm / 2.56 inch Weight: 98g Package included: 10 x Hex Head Screwdriver Bit