4 pack 2-Inch Swivel Lock Brake Polyurethane Plate Caster Rotate 360 degrees. Smooth & Silent & Sturdy. The total locking brake locks both the wheel and the swivel Capacity: 65lbs each -Total 260lbs. Plate Size: 50mm, 1.96" X 50mm, 1.96" Hole center to hole center: 33mm, 1.29". Mounting hole dimensions: 6mm X 11.7mm. Wheel Dia.: 50mm , 2". Wheel Width: 19mm 0.7". Wheel Material: Rubber. Overall Height: 70mm, 2.75". Color: Gray. Ball bearings: Double ball bearings. Includes: 4 caster with brake