set of 4 upright piano caster cups black walnut wood feet pad timber floor carpet protector slip resistant deep brown

set of upright piano caster cups set, designed to protect your hardwood floors, rugs and carpets solid hard wood made(black walnut),with excellent load bearing capability for long service each cup featured anti-shock eva foam mat-absorbs vibration and reduces noise without scratching hardwood floors, preventing piano from movement designed for upright pianos-4 pieces a set, standard size for prefect fit natural wood grain for great matching with your piano and floors or carpets