5 in

Red Polyurethane Swivel Plate Caster, 350 lb capacity, locking, maximum load support with smooth maneuverability, Made in the USA

Commonly used on heavy industrial carts, assembly line fixtures, and mobile equipment that requires frequent repositioning under load

Well-suited for warehouses, fabrication shops, and production areas where carts need to move smoothly between stations and lock securely during use

Also i for demanding DIY or commercial builds where durable, high-capacity mobility is needed across rough or high-traffic workspaces