Heavy-duty shelving caster set designed to add mobility, stability, and easy maneuverability to commercial wire shelving units and storage racks. Set of (4) 5" grease-resistant polyurethane casters with side locking brakes Designed for wire shelving units, Metro-style shelving, storage racks, and mobile kitchen shelving systems Fits standard 1" diameter wire shelving posts Side locking brakes on all casters provide added stability and safety Raises shelving height approximately 6" for easier cleaning access underneath units 220 lb load capacity per caster for heavy-duty commercial use Durable polyurethane wheels resist wear in high-use commercial environments Ideal for dry storage shelving, ingredient racks, dish storage racks, and utility shelving carts Includes Allen screws for secure attachment to shelving posts Temperature range: 14°F to 212°F Dimensions: Wheel Diameter: 5", Overall Height: 6"