P-214 FOUR 1/2" Black Rubber Tack Bumpers to replace the worn or missing bumpers under the Edison (and others) phonograph cases and music boxes. Set of 4. Recommendation: Apply one drop of 'super glue' into each nail hole before tapping in each bumper. Such Black Tack Bumpers are hard to find! Size: 1/2 inch diameter. Other sizes available: see P-212, P-213, P-215. NOTE: Larger 7/8" diameter black rubber tack bumpers are available in P-212X