wood upright piano caster cups piano feets pads piano's leg pad- set of 4pcs

widely used - hard wooden piano cups are designed for upright pianos and can also be used for tables, sofas, chairs, and more premium quality - the caster cup is made of solid wood, it has good toughness, strong pressure resistance, no cracking, and long use time. dimensions: 4.05' outer diameter, 1.69", inside diameter. note: these casters work for upright piano only.not for grand piano. anti-slip foam mat - each cup has a non-slip foam mat on the bottom to protect floors, wood, tiles, and carpets and prevent piano wheels from slipping. anti-corrosion:the white oak wood piano cups protect the metal and brass wheels from rust or tarnish. package includes 4pcs of piano coaster cups..syi