Description:

Size1/4" drive socket, H3 H4 H5 H6 H7 H8 hex bit sockets, 1.5" (38mm) total length.. DurableQuenched and heat treated S2 alloy steel bits, hardness arrived at 58-62 HRC, reduce wear-outs. High strength chrome vanadium steel sockets, increase turning power.. Torque StrengthComplete corrosion resistance and rust resistance, mirror-polished and chrome-plated sockets and phosphate bits finish.. Precision BitsAutomatically processe bit tips to ensure accurate size, chamfered ends insert smoothly into fastener head, reducing wear.. Ideal ToolsUse with ratchet to improve speed in tightening hex drive fasteners. And the product has no insulation properties and is not suitable for electrical environments..