Screwdriver Bits Set 6.35mm Hex Shank 65mm 100mm 150mm Alloy Steel Double Head
Suit for pneumatic screwdriver or electric screwdriver. 2PCS Screwdriver Bits. Hex shank prevents stripping during high-speed drill. Shank Size: 6.35mm/ /4". Material: Alloy Steel. Made of alloy steel., high hardness.