Benchworld’s solid wooden or clear acrylic caster cups in assorted finishes are the best choice for a grand piano. Large, the most common size, has an outer diameter about 5.5″ and an inside diameter of 3.5″. This item comes in a set of 3 with black adhesive felt. The felt will be easy to slide whereas the rubber makes it harder to slide the piano.

Features

• Size: Large
• Color: polished walnut, polished mahogany, polished white, polished ebony, oak, clear acrylic
• Felt installed under to avoid scratches on your hardwood floor
• Inner Diameter: 3.5″
• Outer Diameter: 5.5″
• Excellent for grand pianos
• Set of 3