4 In. Black Polypropylene Swivel Plate Caster

4 in. Black Polypropylene Swivel Plate Caster, 350 lb capacity, heavy-duty strength with smooth rotation, Made in the USA. Commonly used on heavy utility carts, mobile workbenches, and storage systems that need frequent movement across larger work areas. Well-suited for workshops, warehouses, and industrial-style environments where equipment is regularly repositioned between stations. Also ideal for DIY or commercial builds that require strong, dependable mobility with smooth handling under heavy use.