Shockproof Moisture-Proof Pad Antiskid Mat Piano Accessories sturdy hardwood.(PA-9)

1.Package :4 pack Made for High-Quality wood to build, durable, natural, environmentally friendly, natural beauty!
2.Size:The bottom diameter is 4.05Inches; the groove diameter 1.93Inches.
3.scope of application: vertical two wheeled piano general purpose.
4.The piano casters have the effect of sound insulation anti-skid prevent shock.
5.specially designed to withstand and support the weight of a piano while protecting your floors from harsh casters, absorbing vibrations while reducing noise - all without scratching your floors.