20Pcs Replacement Chair Caster Wheels 2 Inch, Heavy Duty with Plug-in Stem 7/16 x 7/8 Inch,Quiet & Smooth Rolling

CASTERS YOU CAN KEEP - Our Premium replacement caster wheel stem diameter is 7/16 inch(11mm),stem length is 7/8 inch(22mm), duty design supports up to 500 lbs as a set of 5 SMOOTH & 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 easily and cause no squeaky sounds or noise of any kind. 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