Set of 4 Hardwood Cups - Protective Pads for Furniture Legs, Cups for Piano Casters - Black

Material: Solid wood - Genuine black walnut, sapele (African mahogany), zebrawood, rosewood/jacaranda, oak wood options. Piano leg protectors - Prevents metal and brass casters from rusting or tarnishing. Designed for upright pianos - Set of 4. Protects floors and carpets - The underside of each cup is lined with non-slip felt for floor protection, insulation, and slip resistance. Natural wood grain variation - You will notice a slight color difference on each cup, which is due to the natural wood grain.