Description:

[Size] - 1/2-inch square drive socket, M10 (10mm) 12-point bit, 4-inch (100mm) total length.. [Durable] - Quenched and heat treated S2 alloy steel bits, high hardness, reduce wear-outs. High strength chrome vanadium steel sockets, increase turning power.. [Torque Strength] - Complete corrosion resistance and rust resistance, mirror-polished and nickel-plated sockets and phosphate bits finish.. [Precision Bits] - Automatically process bit tips to ensure accurate size, chamfered ends insert smoothly into fastener head, reducing wear.. [Great Tools] - Use with ratchet to improve speed in tightening hex drive fasteners. And the product has no insulation properties and is not suitable for electrical environments..