Manufactured from drop forged carbon steel with a satin finish body and highly polished heads. 15 open jaw angle to shank and ring end offset. Conform to: 1-1/16 inch - 2 inch - ASME B107.6. Contents 1-1/16", 1-1/8", 1-1/4", 1-5/16", 1-3/8", 1-7/16", 1-1/2", 1-5/8", 1-3/4", 1-7/8" and 2".