Forged material, chrome vanadium steel, heat treated. Stamped markings allow for quick size identification. For use with hand ratchets or breaker bars . Includes: 1/4 Dr.: E4, E5, E6, E7, E8. 3/8 Dr.: E10, E11, E12, E14, E16. 1/2 Dr.: E18, E20, E22, E24. Supplied with an impact blow molded case.Product Description The E Torx female bit socket set Star is made from hardened chrome vanadium steel to make each socket strong. Package includes: 14 piece E torx socket set 1 x case blow molding