ATOMDOC Office Chair Caster Wheels, 3" Newly Lightweight Caster Wheels & Revolutionary Swivel Vertical Axle, Safe Protection for All Floors Including Hardwood, Set of 5

100% Safe Protection for All Floors - Stop damaging your expensive hard wood floors and carpets with the poor quality wheels. Encased with soft polyurethane material, our rollerblade style wheels are guaranteed not to scratch or leave marks on any surface. (Please note that with the limitation of 3 inches, using on the rug with wool over 1.18inches will be possibly unworkable) Extremely strong and durable - Maximum weight rating: 170 lbs EACH wheel. With the new design 100% nylon stand, the all-metal bearing rod and the bracket made of high hardness polyurethane provide years effortless rolling and durability. The heavy duty design supports up to 850 lbs as a set of 5, the STRONGEST and Most DURABLE chair wheels on Amazon. (0.45 lbs each wheel, 2.2lbs each set) Universal Fit & EASY Installation - Orders come with a set of five 3" rollerblade style office chair replacement wheels that can easily be installed without tools or hardware. Simply pull out old wheels and push these into place, Please Check that your chair is compatible. (The stem size is 7/16"(11mm) diameter by 7/8"(22mm) length.) Suitable for 99% office chair! (Exclude IKEA’s chairs) Incredibly Smooth & Quiet -[Newly revolutionary design by ATOMDOC] With the new type 0.35 inches double ball bearings and dustproof top cover, ATOMDOC caster wheels provides you amazing motility and stationary and mostly minimizes the noise. ATOMDOC Fashionable Elemen -No matter for the office chairs or student chairs, ATOMDOC caster wheel is the best choice to upgrade your chairs., Weight: 1.87 Pounds, Manufacturer: ATOMDOC