"Fairbanks nonmarking, quiet and easy rolling phenolic canvas wheels protect floors and resist shock, water, and oil. Double ball bearings and seal ring keep lubrication in and dirt out. Corrosion-resistant gray finish. Bearing Type Roller, Material Type Steel, Top Plate Dimensions L x W in. 4 1/2 x 4, Finish Type Gray, Wheel Type Phenolic canvas, Wheel Width in. 2, Wheel Diameter in. 6, Caster Type Rigid w/brake, Mount Height in. 7 1/4, Bolt Hole Spacing 3-3 5/8 x 2 5/8-3, Casters qty. 1, Capacity lbs. 1,200, Foot Brake Yes, Overall Height in. 7 1/4. One piece fork assures less failure and longer life Durable powder-coat finish prevents corrosion Factory installed footbrake Rugged phenolic/canvas wheel 1200 lbs. capacity"