The right caster attached to your retail clothing display racks can facilitate changeovers, adding or removing inventory from your selling floor, and make the chore of changing your layout that much easier. But not all casters are the same, nor is there a universal display rack caster. Econoco offers our durable 4" diameter Industrial Casters for RCS/1, RCS/2 & RCS/3Garment Racks. These sturdy casters will support up to 150 lbs of merchandise. Note: their stem length is 1"; and the stem diameter is½".