
Forged, heat-treated chrome vanadium steel. Use with ratchets or breaker bars. Stamped markings for quick size identification. Comes with blow molded case. Includes: 1/4" DR: E4, E5, E6, E7, E8. 3/8" DR: E10, E11, E12, E14, E16. 1/2" DR: E18, E20, E22, E24. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.