Description: Piano Foot Pads Piano Caster Cups for Upright Piano (Pack of 4). Designed to be placed under a piano's legs in order to protect floors and carpets Heavy duty advanced plastic design. Protects wood, tile and carpet from caster damage. Color: White Size Chart: Upper Diameter: approx. 64.5mm/2.54inch Bottom Diameter: approx. 87mm/3.43inch Height: approx. 14.5mm/0.57inch Package Includes: 4 Pieces Piano Caster Cups