RWM Casters VersaTrac 27 Series Plate Caster, Swivel, Urethane on Polypropylene Wheel, Ball Bearing, 300 lbs Capacity, 5" Wheel Dia, 1-1/4" Wheel Width, 6-5/16" Mount Height, 3-3/4" Plate Length, 2-5/8" Plate Width