Chair Feet Wheel Stoppers are designed to convert swivel office chairs with casters into fixed chairs, suitable for lift chairs, office chairs, gaming chairs, computer chairs and other wooden, metal, tubular metal chairs, furniture and other equipment, widely used in home, office, library, bar, shop, etc.SpecificationColor: BlackMaterial: Carbon Steel, PPEach Wheel Load Capacity: 50 kg/ 110 LbsUniversal Standard Stem Size: 22 x 11 mm / 7/16 x 7/8 inch (L*Dia)Mounting Height: 32 mm / 1.26 inchBottom Width: 50 mm / 2 inchTotal Height: 54 mm / 2.13 inchPacking List: 5 x Low Profile Bell GlidesAdvantageThe height chair stool swivel casters are made of solid PP plastic, which has strong load-bearing capacity and does not damage the floor.
eBay