Extended length universal joint socket set, single hex (6pt). A universal joint socket and generous 310mm length gives easy access to the most seemingly inaccessible jobs. The spring-loaded universal joint head rotates a full 360° so that it can adjust to the best angle. Designed for use with high-torque impact tools, this heavy duty set is made from chrome molybdenum with a black phosphate finish for corrosion resistance. A full set that includes all sizes from 9mm to 19mm presented in a sturdy carry case for portable tool protection and storage.