This 4" x 2" orange polyurethane heavy duty ergonomic swivel caster is easy to push and rolls effortlessly, making it excellent for manual push and towing applications. Our 48 Series casters are ergonomically designed for ease of movement and quiet mobility. The sealed precision swivel bearing is maintenance-free and significantly reduces push/pull force, keeping equipment operations safer while improving efficiency. Rig is zinc-plated for an attractive, corrosion-resistant finish.