Don't think too much, use 5inch-Lock-Swivel-Caster-035 to get your DIY move and manuver around. This wheel caster has a wheel diameter of 125mm or 4.921" inch in inches. Dimensions of the caster wheel is 35mm (1.378" inch). The Caster with the wheel from end to end is 157mm = 6.181" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 93mm x 62mm and holes distance of 45mm x 72mm. Rolling with a wheel core material of Rubber and a Rubber tire rolled over Ball bearing. Each caster will carry the load of 176 lb and is Swivel and Upper Locking type. Temperature range = -40 to 180 F. Enjoy our 5inch-Lock-Swivel-Caster-035, we wish all the best in your project.