Modern Innovations 3" Office Chair Casters, Set of 5 Heavy Duty Rollerblade Style Office Chair Wheels Safe for All Floors, Hardwood, Laminate, and Carpet - Replacement Office Chair Wheels-Chrome 3 Inch Diameter gives you the height to move from one floor to another. Glide easily from Hardwood to Carpet; from Carpet to Tile and back without getting stuck or stalling The soft polyurethane material ensures that the wheels wont tarnish your floors, leaving them pristine and scratch-free These easy to install replacement office chair casters fit on almost any standard office chair Solid steel and durable polyurethane construction ensures your smooth gliding will be long lasting Order now and begin gliding in your chair today!