15 Pcs Replacement Chair Caster Wheels 2 Inch, Heavy Duty Wheels with Plug-in Stem 7/16 x 7/8 Inch, Rolling

& QUIET ROLLING - Wheel materials are made of high-quality polyurethanes, which are high mechanical strength, wear resistance, shock absorption and low-noise. These features help roll and cause no squeaky sounds or noise of any kind. EASY TO INSTALL - Simply pull your old casters out, then plug the new wheels in, universally fit for various standard seats: work stools, office chairs, dining chairs, desk wheels, tool carts etc SAFE FOR FLOORS - Smoothly and quietly roll around on any hardwood, ceramic tile, wood, carpet, especially cement floors without scratching, pay attention to safety due to less resistance force CASTERS YOU CAN KEEP - Premium replacement caster wheel stem diameter is 7/16 inch(11mm),stem length is 7/8 inch(22mm), duty supports up to 500 lbs as a 5