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 Multi-Dolly Ring Hammer for Auto Body Repairing Cushion Shrink Hammer Auto Body Bumping Hammer New One Piece Smart Bumping Pry Bar AllGo Chisel and Punch for auto repair