A professional quality SEVENTEEN piece impact E Star socket set for use with Torx® products. Manufactured from Chrome Vanadium Steel (CR-V) for longevity and durability and helps resist abrasion, oxidation and corrosion. Finished with a black oxide coating for increased corrosion resistance. 3/8″ Drive Impact E Star Sockets: E5, E6, E7, E8, E10, E12, E14 and E16. 1/2″ Drive Impact E Star Sockets: E10, E11, E12, E14, E16, E18, E20, E22 and E24. Each socket has the size laser etched on the side for easy identification. Supplied in a handy clip shut carry case for neat storage and easy transportation.