OCCASION: This Desk Chair Wheel Can Roll Across Wood, Hardwood, Floating Floor, Laminate, Vinyl Plank, Tile and Carpet Floors All Day Long; No Marks/Damage to the FloorUNIVERSAL: The Stem Size Is Standard 7/16" x 7/8", Which Can Be Used On Almost Any Rolling Chair, You Can Install the Replacement Caster To Your Gaming Chair, Computer ChairQUIET: These Wheels Are Kick, Soft, Silent and Fast On Floor, Precision Ball Bearings In the Caster Swivel and Axel Provide Smooth, Easy Rolling While Causing No Squeaky Sounds or NoiseLOADING: Our Heavy-Duty Chair Wheels Are Made from Industrial-Grade Steel, Soft Rubber Caster, Precision Ball Bearings, and Durable Polyurethane Chair Casters. They Can Support Loads Up 600 PoundsEASY TO INSTALL: They Are Easy to Install - Pliers Weren't Needed. Just Pull Out the Old Ones and Insert the New Ones.