Check out highlights of the process below. Made of ductile iron, machined and heat treated in the USA. JHM Anvils … The Ridgid-Peddinghaus anvils are forged steel anvils … Description. Anvil is 31' long, 4-5/8' wide, 12' highMany tongs and hammers. These are the most desirable H-B anvils, which many people consider the Cadillac of anvils.