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 rubber wheels. Suitable for use on all types of flooring of home, shops, workshop, factories, schools or hospitals. Specification: Wheel Material: Rubber Color: As picture shown Wheel Diameter: 75 mm / 3 inch Wheel Width: 32 mm / 1.26 inch Height of installation: 104 mm / 4.09 inch Installation size: 92 x 63 mm / 3.62 x 2.48 inch Installation hole distance: 73 x 45 mm / 2.87 x 1.77 inch Installation hole dimensions: 12 x 8.2 mm / 0.47 x 0.32 inch Capacity: 90 kg / 198 lbs Package Includes: 1 Piece 3'' Casters Note: Color maybe slightly different due to different monitor. The above size is measured by hand, please allow slightly difference. Thanks!