Our 3-inch low profile plate casters are designed to be robust, portable, and long-lasting in commercial and industrial environments. These casters come with nylon, polyolefin, or phenolic wheels and can support max capacity loads of between 500lbs to 800lbs. Each model comes with a zinc-plated finish for corrosion resistance, a 1¾-inch tread width, and a roller bearing for smooth rolling. These low profile plate casters are perfect for carts, equipment, and other low-clearance applications.