General Information：[1][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.[2][Durable] - Quenched and heat treated S2 alloy steel bits, high hardness, reduce wear-outs. High strength chrome vanadium steel sockets, increase turning power.[3][Torque Strength] - Complete corrosion resistance and rust resistance, mirror-polished and nickel-plated sockets and phosphate bits finish.[4][Precision Bits] - Automatically process bit tips to ensure accurate size, chamfered ends insert smoothly into fastener head, reducing wear.[5][Size] - 3/8-inch square drive socket, T40 torx bit, 1.5-inch (38mm) total length.
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