2" Diameter Soft Rubber Wheels, Set of 4. Rotate 360 degrees. Super Silent & Sturdy. Soft and non-skid wheels won't mark floors Material: PU Rubber+ Steel / Colour: Black / Wheel Diameter 2" 60 Kg LOAD CAPACITY PER WHEEL: Each caster wheel supports 60 Kg of load (with a 240 Kg total capacity for all four wheels combined) Includes 4 casters ( 2 casters with brakes & 2 without) Widely used: Flight Cases, Instrument Cases, Display / Exhibition Equipment, Dollies, Tool Boxes, Light Machinery, Equipment Stands, Mobile Workstations, Speakers, Cabinets, Stands, Amps, Electrical Enclosures, Furniture etc.