You need 6inch-Caster-024 to have your office desk, equipment or even a machine to easily roll them around. This wheel caster has a wheel diameter of 150mm or 5.906" inch in inches. The wheel has a width of 50mm=1.969" inch. The overall height of the caster is 191mm or 7.520" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 100mm x 115mm and holes distance of 75mm x 85mm. The caster core is made of Iron core and Polyurethane and has a Iron core and Polyurethane tire with a low friction Double ball beaing. Each caster will carry the load of 992 lb and is Fixed type. The temperature range is -40 to 180 F. Enjoy our 6inch-Caster-024, we wish all the best in your project.