ITEM NAME:Magnetic Triangle Head Screwdriver Bits S2 Steel 1/4 Hex Shank 6.35mm G0I9 description: 100% new high quality It made of high-strength S2 alloy steel, very durable. Toughness is good, hard to rupture and wearproof. Magnetic bits, in the installation can easily absorb screws Color as shown Material: S2 steel Hex Shank Size: 6.35mm (1/4") Uses:Suitable for installation in pneumatic screwdrivers, electric screwdriver, rechargeable drill, using the wind batch. Packing: 1 x Screwdriver Bits.It made of high-strength S2 alloy steel, very durable. Material: S2 steel. Magnetic bits, in the installation can easily absorb screws. Hex Shank Size: 6.35mm (1/4").