Description: 【Thin Wall Design】: This 1/2" extended thin wall socket is designed to fit into narrow areas where traditional impact sockets are too tight. Please note that only 6 point sockets use a thin wall design (partially thin walled). 【Extended Electric Wrench Socket】: The extended thin wall socket is specifically designed for electric wrenches, featuring a 1/2" interface with an internal hexagonal anti drop slot. Universal 1/2" international standard interface suitable for market rods. 【Socket Pin Hole Design】: The socket pin Positioning allows for better fixation on the machine with a leather circle and pin, making it more stable. 【Sturdy CR Chrome Vanadium Steel Thin Wall】: Made from premium chrome vanadium steel materials and heat treated at high temperatures, this socket is sturdy, aesthetically pleasing, and wear resistant. 【Hexagonal Socket Internal Curve Design】: The Hex Socket features an internal curve design that increases the contact area to deliver standard torques while effectively protecting bolts from slipping. Size Chart: Drive square mouth 13mm/0.51inch Socket thread depth 64mm/2.52inch Socket total length 128mm/5.04inch Package Includes: 1 Extended Socket Note: 1. Please allow slightly error due to manual measurement.