Rubber Shrinking Dolly (Serrated Face) Toe dolly shape with serrated face; Special serrated face allows for shrinking metal stretched by dents Also works well on newer, thinner sheet metal Rubber coating provides cushioning effect; Weighted hard rubber to match weight of hammer Moves the metal rather than stretching it Rubber Shrinking Dolly (Serrated Face) 2-3/8" x 4-3/4" x 1-1/4" (1.5lb)