1/4 Hex Shank --1/4 inch hex shank, fit for electric screwdrivers, hand screwdrivers, electric drills, air drills and impact drill etc.with storage case,convenient storage
TS2 Alloy Steel--using high quality solid tool steel TS2 alloy steel, wear resistance and strong impact resistance, hardness reaches 63HRC, can be used for high intensity conditions, Phosphorized black surface to prevent rust.
Standard Sizes--These 10 packs of 2 Philips Bits, 6 inch long, fit wood screws from #5 to #9, metric machine screw sizes M3.5, M4, M5, and SAE machine screw sizes #5 to #10. 1/4" hexagonal handle, compatible with most electric drills, suitable for many home work and industrial applications.
Tough #2 Phillips Bit designed for impact use, features Shock Absorbent Zone for impact driver compatibility. Suitable for high torque impact drivers, offering increased durability compared to standard phillips head screwdriver sets.
Magnetic Phillips Bit--These high hardness & magnetic Phillips bits, Heat-treated manufacturing for stronger bit,magnetized sufficiently that screws can be easily fixed and removed, do not decay magnetic after multiple uses, ensuring long-lasting.
