Dolly blocks are drop forged from high carbon steel, heat treated, quenched and tempered and are available in a variety of shapes and crowns. The other basic hand tool around which the body and fender repair trade was developed. Dolly blocks are \"Hand Anvils\" with high, medium, low or combination crowns especially designed for dinging, peening, shrinking, bumping or finishing auto body metal work. The design of heel dollies makes it possible to reach easily into sharp corners and wide radii. These features are exclusive to the heel dolly and continue its high demand. Martin Body Dolly, General, 2-3/8 in Width, High Carbon Steel