The Snap On 8-28239A 6 x 2 Medium Duty Monoprene Rigid Caster is a high-quality, durable caster wheel designed for automotive use. Made of steel with a Monoprene soft wheel material, this caster has a load capacity of 600 lb and is manufactured in the United States by Snap-on. The 6" x 2" size makes it easy to identify and use in various automotive applications. This medium-duty caster is a reliable and sturdy option for moving heavy equipment and supplies in a workshop or garage setting.