LONKER 10pcs Magnetic Inner Hexagon Hex Head Drill Screwdriver Bits Set with 1 4 Inch Hex Shank Screwdriver Kit Tools-75mm

S2 high quality steel: Good material does not need to make the surface decoration through the exterior decoration, the quality of the batch is to look at the intrinsic material. Application: It can be used with electric screwdriver, manual screwdriver, electric drill, group general tools. Specification: ?Materials: S2 steel ?Type of head: Hex Head ?Type of shank: 6.35mm / 1/4 inch hex ?Length: 75 mm(2.9 inch) ?Size: 6mm Package Included: 10 x 75mm Magnetic Hex Screwdriver Bit