Darnell Dual Wheel Upright Piano Casters With Ball Bearings In Wheels Wheel Material:Set of 4 Upright Piano Wheels - Standard High Capacity Neoprene Material which is lined with rubber

which is lined with rubber to protect the finish of your piano

Diamond Tufted Top with Premium Upholstery

4 Large Bushings

so that it does not raise your piano more than normal)

J-4004HD-N2 - For Yamaha N2 AvantGrand

Darnell Dual Wheel Upright Piano Casters With Ball Bearings In Wheels Wheel Material:Set of 4 Upright Piano Wheels - Standard High Capacity Neoprene Material which is lined with rubberThese top of the line Darnell dual rubber piano wheel casters are equipped with four sided double ball raceways, that feature ball bearings in the wheels for easier rolling. For heavier upright pianos, these are the best option on the market (both in supporting the most weight, and in ease of transport). The piano wheel diameter is 2", with a wheel width of 3 4". Casters come with removable cast iron sockets with 4 screw holes. Cast Iron Socket