Introducing 6. 25 inch Swivel Heavy Duty Industrial Wheel by POWERTEC. An impressive combination of precision and craftsmanship, this well built swivel caster is conveniently constructed with a solid hard rubber all-terrain wheel. It was designed for a universal assortment of mobilized applications providing an easy rolling, noiseless and robust solution. The swivel mechanism ensures a 360 rotation, providing optimal maneuverability to make smooth transitions or to turn tight corners and face any obstacle along the way. Each caster wheel flaunts an impressive 330 lb. loading capacity perfect for an assortment of heavy lifting jobs. This simply means, the more caster wheels you add, the more you can carry. The non-marring wheels are made of solid rubber, carefully molded onto the rugged steel hub. This helps provide a beer, more durable anti-flat option that can withstand the pressure. The knobby tread material of the tire helps deliver increased traction for most surfaces. Additionally, the high precision ball bearings offer exceptional noise reduction, decreased rolling resistance and consistent hauling. Commonly Used Applications Dollies Wagons Lawn Trailers Hand Trucks Smoker Grills Garden Wheelbarrows Mobile Woodworking Carts & more! Standard Imperial Dimensions: Plates: 4-1/2 x 3-15/16 Wheel DIA: 6-1/4 Wheel Width: 1-59/64 Mounting Holes: Center to Center: 2-13/16 x 3-3/8 Mounting Slot: 7/16 x 13/16 Caster Overall Height: 7-11/16