Drop forged, heat treated steel with mirror polished, triple chrome finish. Sizes: 3/4″, 13/16″, 7/8″, 15/16″, 1″, 1 1/16″, 1 1/8. 1 3/16″, 1 1/4″, 1 5/16″, 1 3/8″, 1 7/16″, 1 1/2″, 1 9/16. 1 5/8″, 1 11/16″, 1 3/4″, 1 13/16″, 1 7/8″, 1 15/16″, 2.