Imagine your office chair has no wheel caster, you would be carrying it right and left, install 76mm-Swivel-Caster-001 instead. This caster is rolled on a wheel that has 76mm diameter/2.992" inch inches. Dimensions of the caster wheel is 32mm (1.260" inch). The overall height of the caster is 112mm or 4.409" inch. Mounted via a Top Plate that has the size of 95mm x 70mm and the holes distance of 75mm x 52mm. The caster core is made of Polyurethane and has a Polyurethane tire with a low friction Ball bearing. Bearing in mind that every caster wheel has the load capacity of 165 lb with a Swivel type. Last and not least the temperature range = -40 to 180 F. Buy the 76mm-Swivel-Caster-001 now, just add the quantity to basket and click on Checkout.