CX Centrex Black & Yellow Storage Shelve Compatible Wheel 3/8 Caster Adapter
CX Black & Yellow®, 5-Tier Heavy Duty Plastic Storage Shelving Unit. CX Black & Yellow®, 4-Tier Heavy Duty Plastic Storage Shelving Unit, 200lbs/shelf (55″H x 48″W x 20″D)(model COM-4T). CX BLACK & YELLOW® 4-Tier Heavy Duty Plastic Storage Shelving Unit, 100lbs/shelf (55″H x 24″W x 20″D) (Model BY4TS2028).