Covell Signature Line Dolly Blocks are high quality, made in the USA products. These body dollies were specified by master metalworker Ron Covell and are his favorite designs from over 50 years of metalshaping experience. Drop forged from high carbon steel, heat treated, tempered and polished, they are built to last for years to come in the most demanding environments. This heel dolly is designed to reach into sharp corners as well as fit large radius panels.