Description: Made of high-quality ABS, 3 cups in 1 package. These Caster Cups are lined with felt on the bottom Protect wheel of piano from rusting. Protect floor from scratch causing by piano. Specification: Material: ABS Color: Black Quantity: 3 Bottom diameter: 13.6 cm / 5.35 inch Groove diameter :7.0 cm / 2.75 inch Package Includes: 3 x Piano Caster Cup Note: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, Thank you!
