4 Inch Caster Wheels, Casters Set of Heavy Duty, Safety Dual Locking Casters, No Noise Wheels with Polyurethane Foam, Load 2200LBS (Two Hardware Kits Included)

The zinc-plated metal bracket has good rust resistance, paired with a large ball bearing for smooth 360° swivel. Reduced friction enables flexible, labor-saving steering, ideal for regular heavy use The plastic cover blocks dust from the bearing area, maintaining smooth rotation. Combined with the robust structure, it lowers maintenance needs and extends the caster’s service life The easy-to-operate brake locks each wheel securely, keeping equipment stable during loading/unloading. It enhances safety in both stationary and mobile scenarios The blue premium PVC wheel rolls quietly and resists floor scratches (wood, tile). Its durable material suits frequent movement in various indoor spaces With flat-plate mounting, these heavy duty industrial casters fit carts, shelves, workbenches, tool boxes—ideal for home storage, workshop equipment, and small business utility setups