The Commercial Refrigeration Parts by Krowne: Krowne Adjustable Height Plate Caster, 6 to 7 Height Adjustment, Swivel with brake, 3 Diameter, 3-1/2 x 3-1/2, 220lbs per caster load capacity, grease resistant (set of 4) ( Krowne - 28-114S ). The 28-114S...