About this item

• 【Universal Size】: 11mm*22mm universal sized Stem,fits all office chair bases with 7/16″ industry standard mounting holes. （note: interface installation size is 11 mm, Please purchase according to the needs of your chair.）
• 【Floor Protection】: Office chair castors are made from high quality nylon that makes it safe for any floor including laminate, hardwood, carpet, tile, bamboo flooring, and vinyl plank leaving no scratch and mark on the floors.
• 【Smooth Rolling】: Super quite and smooth rolling, no noise when rolling,won’t disturb anyone while working. will give you a smooth and silent roll. They roll amazingly on hardwood floors, carpet, tile, concrete, stone or vinyl.
• 【Max Load】 : Designed that a set of 5 ,The total capacity of the furniture castor wheels combined is 113kg total active load, and 200kg under static weight.
• 【Easily Install】:Simply pull out your current casters down and push in our chair replacement wheels into the socket.No special tools or hardware are needed.