Rotate 360 degrees Side Locking Brake Smooth and Silent and Sturdy Plate Size: 2" (51mm) x 2.75" (70mm) Hole center to hole center: 1.38" (35mm) x 2" (52mm) Mounting hole dimensions: 0.3"(8mm) Overall Height: 2.76 "(72mm) Caster Wheel Diameter: 1.97"(50mm) Caster Wheel Width: 0.98"(25mm) Caster Wheel Material: Polyurethane (PU) Caster Wheel Color: black Ball bearings: Plate ball bearings Package Includes: 4 x Caster Wheels with Brake; 17 x carbon steel screws and shim