8T8 Upgraded Chair Caster Wheels 2.5'', Swivel Caster Wheels Heavy Duty with Plug-in Stem,Quiet & Smooth Rolling, No Chair Mat Needed, Safe for Hardwood Carpet Tile Floors,Set of 5 (2.5inch, Black)

?CASTERS YOU CAN KEEP FOR LIFE-Our Premium replacement caster wheel stem diameter is 7/16"(11mm),stem length is 7/8"(22mm),The heavy duty design supports up to 500 lbs as a set of 5, the STRONGEST chair wheels on Amazon.

?SOLID RUBBER- Wheel materials are made of high-quality solid polyurethanes, which are high mechanical strength, wear resistance, shock absorption and low-noise

?SAFE FOR FLOORS- Smoothly and quietly roll around on any hardwood, ceramic tile, wood, carpet, especially cement floors without scratching, please pay attention to safety due to less resistance force

?EASY TO INSTALL- Simply pull your old casters out, then plug the new wheels in, fit for various standard seats: work stools, office chairs, dining chairs, desk wheels, tool carts etc

?100% MONEY-BACK GUARANTEE - If these are not your favorite chair wheels you have ever owned, the smoothest and most quiet, return them for a full refund