-. Brand : The Caster Cup Co. -. Color : Brown -. EAN : 0045635131477 -. Feature : Hard Maple / Designed for use with pianos - Will Support the Weight / Protects wood and carpet from caster damage / 3.5 inches outside diameter, 1.75 inside diameter -. Label : The Caster Cup Co. -. Manufacturer : The Caster Cup Co. -. ProductGroup : Home Improvement -. ProductTypeName : HARDWARE -. Publisher : The Caster Cup Co. -. Size : Small (3.5 outer dia x 1.75 inner dia) -. SKU : PT-CCS-wl -. Studio : The Caster Cup Co. -. Title : Hardwood Maple Piano Caster Cups - Set of 3 for Grand Pianos, Size Small, Elegant Walnut Satin Finish -. UPC : 045635131477