Teng Tools impact sockets are specifically designed for use with power tools and air tools. Manufactured in chrome molybdenum steel in accordance with GGG-W-6608, these sockets ensure 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.The TEN920124 Impact Socket has the following specifications:Size: 3/4 inch.Length: 38mm.