Description: Castors with for a wide variety of functions and can be fixed to flight cases, dollies, tool boxes, light machinery, instrument cases, display / exhibition equipment, speakers, cabinets, stands, amps, equipment stands, mobile workstations, electrical enclosures, furniture, trolleys etc. Easy to install and easy to use. Heavy duty steel frame. With silent, non-marking nylon wheels. Suitable for use on all types of flooring of home, shops, workshop, factories, schools or hospitals. Specification: Wheel Material: Nylon Color: As picture shown Wheel Diameter: 40 mm / 1.5 inch Wheel Width: 17 mm / 0.67 inch Height of installation: 55 mm / 2.17 inch Capacity: 20 kg Package Includes: 1 Piece Heavy Duty Rigid Castor Note: Color maybe slightly different due to different monitor. The above size is measured by hand, please allow slightly difference. Thanks!