Piano Lucite Caster Cups
Lucite Caster Cups are strong and indestructible and are designed specifically for Grand Pianos and to protect your floor and carpet from indentations.
Made from Lucite, a strong acrylic. 4-1/2" Outside diameter.
2-3/4" Inside diameter.
The grooves in the center of the caster cup is where the wheel will rest inside the groove.
Article courtesy Gemm Piano Supply
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