Home » Products » Auto Body Bumping Tools » Auto Body Repair Multi-Dolly Ring Hammer Auto Body Repair Multi-Dolly Ring Hammer Q'ty : Add To Inquiry Description Applications Auto Body Repair Multi-Dolly Ring Hammer. Patented 4-in-1 design use for auto body repairing and sheet metal working. 3 faces in 1 - smoothing round face, flat face, and square face, and an awl type dolly for internal concave by hammering. Related Products Auto Body Repair Kit Interchangeable Auto Body Repair Pry Bar Auto Body Repair Tool Sheet Metal Dent Puller Smart Bumping Pry Bar Cushion Shrink Hammer Multi-Dolly Ring Hammer for Auto Body Repairing