The Universal Plate Castor Set has stainless Steel square plates and non marking polyurethane wheels. The Castors also have brakes which make them a great choice for anything that needs to stay in one location for any period of time. The Castors are grease resistant, fit most food service equipment and have a temperature range of 14 degrees F to 212 degrees F. The Castors all have a 250 lb. capacity making them ideal for almost any equipment. - Stainless Steel - Capacity per caster 250 lbs - Plate Width 4 in - Height 5 in - Sold per set; set of 4