Introducing the 2 -3/8 Dual Locking Swivel Caster Wheels by POWERTEC . An impressive combination of precision and heavy duty craftsmanship, these heavy duty steel casters are conveniently paired with (PU) polyurethane wheels. Each wheel was designed with dual locking action, intended to add exceptional stability for material handling, along with braking versatility for an assortment of mobilized applications. The free-pivoting swivel mechanism ensures a proper 360 rotation, providing optimal control and maneuverability to turn tight corners. Each caster wheel flaunts an impressive 100 lb. loading capacity perfect for an assortment of mid-tier to heavy lifting jobs. This simply means, with this 4 piece set, you ll already be starting out with 400 lbs. of smooth rolling. The non-marring wheels protect your floor and offer a soft cushion ride. The foot pedal mechanism is foot-activated and features a rugged steel construction with a premium polished silver finish. Additionally, the high precision ball bearings offer exceptional noise reduction, decreased rolling resistance and consistent hauling. The set includes threaded flange lock nuts for an easy installation. Commonly Used Applications Mobile Work Tables Drum Sanders Workbenches Industrial Equipment Carts Mobilized Dust Collectors more!