Teng Tools impact sockets are specifically designed for use with power tools. Manufactured in chrome molybdenum in accordance with GGG-W-6608, these sockets ensure the highest quality.The sockets have a 1/2 inch drive, and are suitable for both industrial and automotive applications. Each socket is individually branded and size marked for quick identification.The TEN920519 Impact Socket has the following specifications:Length: 38mm.Size: 19mm.