Don't think too much, use 6inch-Caster-011 to get your DIY move and manuver around. This caster is rolled on a wheel that has 150mm diameter/5.906" inch inches. Dimensions of the caster wheel is 50mm (1.969" inch). The Caster with the wheel from end to end is 193mm = 7.598" 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 Double ball beaing design will enable the Iron core and Polyurethane tire to roll easily with a core made of Iron core and Polyurethane. Bearing in mind that every caster wheel has the load capacity of 772 lb with a Fixed type. The temperature range is -40 to 180 F. Enjoy our 6inch-Caster-011, we wish all the best in your project.