set of 4 Heavy Duty CASTER WHEELS tool Cart swivel Rolling locking storage shelf

new in sealed package.  set of 4. Super heavy duty.    Set of 4 weights almost 3.5 pounds!!   These were originally purchased to  install on a Matco and Snap On tool boxes  but we had extras left. We also used same wheels on wired storage racks with 1500 lb capacity. They are made of hard rubberized material. 2 are locking, 2 are not approx  3/4 inch thick and approx 2.75" diameter they can be used for a variety of furniture, storage boxes, cases and shelves  or to make your own rolling cart This product is a set of 4 heavy-duty caster wheels designed for a tool cart or roller storage shelf. The caster wheels feature a locking mechanism for added security and stability. Made of durable rubber, these wheels provide smooth and easy mobility while protecting floors from damage. Ideal for material handling in industrial and business settings, these caster wheels offer reliable support for transporting and storing heavy equipment or supplies. WE SHIP FAST!