ITEM NAME:4 Piano Caster Cups Gripper Set with Sturdy 300kg Load Bearing ABS for Upri F1R4 4 Piano Caster Cups Gripper Set with Sturdy 300kg Load Bearing ABS for Upri F1R4 Made of high-quality ABS. Excellent load bearing capacity, support piano of about 300kg. Protect wheel of piano from rusting. Protect floor from scratch causing by piano. Designed for upright piano. Material: ABS Inside(concave part) diameter: 5.3cm / 2.1in Outside diameter: 9cm / 3.5in Product weight: 25g / 0.9oz Package List: 4 x Cup Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
