Piano caster/ wheel for upright pianos. Cast Iron for tall uprights. Upright piano caster made of solid cast iron. Includes the mounting plate and a wood caster bushing where the holes are too large for the normal socket. Excellent replacement for the tall older upright pianos. 1 3/4" wheel diameter, 1" wide. Mounting plates are approx 2 1/8" in diameter with stems (the part that goes up into the piano) just under 1" in diameter (0.90") and height (0.97"). Measures about 2 5/8" from the top of the mounting plate (not counting stem) to bottom of wheel. Sold individually.