RWM Casters 75 Series Plate Caster, Swivel, Kingpinless, Forged Steel Wheel, Roller Bearing, 5000 lbs Capacity, 6" Wheel Dia, 2-1/2" Wheel Width, 7-1/2" Mount Height, 6-1/2" Plate Length, 4-1/2" Plate Width
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