3 Office Chair Caster Wheels w/Dual Lock Metal Brake (Set of 5) - Heavy Duty & Safe for All Floors Including Hardwood w/Universal Fit 440 Lbs Total Capacity

SAFE FOR ALL FLOORS - Stop damaging your expensive hard wood floors. Many chair wheels use cheap, low quality materials that destroy your flooring. We don't. Encased with soft, polyurethane material our rollerblade style wheels are guaranteed not to scratch or leave marks on any surface. So feel free to finally toss that old computer chair floor mat! UNIVERSAL STEM SIZE - Our caster stem will fit 99% of all standard office chairs sold in the USA; (7/16" wide x 7/8" tall) or (11mm x 22mm); With metal brake SMOOTH & QUIET ROLLING - Our precision ball bearings combined with vibration reducing polyurethane tires will give you a smooth and silent roll. They roll amazingly on hardwood floors, carpet, tile, concrete, stone or vinyl. VERY EASY TO INSTALL - No tools required; Pull out your old office chair casters and push in your new wheels until stem is firmly seated and secure; HEAVY DUTY LIFETIME WARRANTY - Our high quality steel casters support more combined weight than traditional casters for long lasting endurance & durability. Our rollerblade caster wheels support bracket and internal parts are made of high grade steel and are extremely strong.