Imagine your office chair has no wheel caster, you would be carrying it right and left, install 65mm-Swivel-Caster-004 instead. Diameter of the caster wheel is a metric standard 65mm that is equal to 2.559" inch with imperial units. Dimensions of the caster wheel is 23mm (.906" inch). The overall height of the caster is 84mm or 3.307" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 65mm x 54mm and holes distance of 51mm x 38mm. Rolling with a wheel core material of Rubber and a Rubber tire rolled over Delrin bearing. Bearing in mind that every caster wheel has the load capacity of 66 lb with a Swivel type. The temperature range is -40 to 180 F. Buy the 65mm-Swivel-Caster-004 now, just add the quantity to basket and click on Checkout.