Teng: Deep Impact Socket Hexagon 6-Point 1/2in Drive 18mm TEN920618N The Teng Tools Deep Impact Sockets are specifically designed for use with power tools and air tools. They are manufactured from chrome molybdenum steel in accordance with GGG-W-6608, providing the highest quality. The sockets have a 1/2in Drive, and are suitable for both industrial and automotive applications. Each socket is individually branded and size marked for quick identification. This Teng Impact Socket has the following specification Size 18mm Length 78mm MPN: 920618N EAN: 5020385126770 Deep Impact Socket Hexagon 6-Point 1/2in Drive 18mm TEN920618N Attributes: Length: 78mm Size: 18mm Type: HEX