Mounting the 2inch-Caster-009 Wheel Caster can make your life easier, push or pull your new project on wheels. Diameter of the caster wheel is a metric standard 50mm that is equal to 1.969" inch with imperial units. The thickness of the wheel is 22mm or .866" inch. The caster dimensions heightwise is 65mm/2.559" inch. Mounted via a Top Plate that has the size of 58mm x 48mm and the holes distance of 46mm x 35mm. Rolling with a wheel core material of Plastic and a Plastic tire rolled over Delrin bearing. Bearing in mind that every caster wheel has the load capacity of 88 lb with a type. Temperature range = -40 to 180 F. Remember, you will have to buy the 2inch-Caster-009 in order to have it :).