Focus Foodservice™ - Universal Low Profile Plate Caster Set, plate: 3-1/2", square, multiple bolt holes, stainless steel, wheels: (4) 2" dia., with brakes, adds 3"H to unit, 250 lb. (113 kg) capacity per caster, grease-resistant polyolefin tread, temperature range 14° to 212° F (-10° to 100°C), NSF (set of 4) (mounting hardware not included)