Jansen medium hardwood caster cups provide great protection for your floor, carpet or rugs. The medium caster cup fits nearly all piano casters including single-wheel, double-wheel, and wide-wheel styles. These piano caster cups come in a variety of finishes including Polished Ebony, Mahogany, Walnut, White, and Unfinished.
Each piano caster cup is sold separately, so don't forget to order 3 for a typical grand set.
Outer diameter: 4½"
Inner diameter: 2¾"