1/2-Inch Drive x 21mm Deep Well Thin Wall 6-Point Impact Socket

SIZE – 1/2-inch drive x 21mm deep well socket ideal for industrial, automotive, and construction use EXTRA-THIN WALL – Extra-thin walled design allows easier access to fasteners in confined recesses DURABLE STEEL – Made from durable, heat-treated chromoly steel to withstand high-torque applications CORROSION RESISTANT – Features a rust and corrosion resistant black phosphate protective coating CORROSION RESISTANT – Features a rust and corrosion resistant black phosphate protective coating PERMANENT MARKINGS – Easy-to-read markings laser etched into the steel won’t fade away or rub off 6-POINT SOCKET – 6-Point design grips fastener sides and not corners to reduce wear and rounding EXCEEDS STANDARDS – Designed and constructed to meet and exceed ANSI / ASME tool performance standards