Don't think too much, use 6inch-Caster-017 to get your DIY move and manuver around. This caster is rolled on a wheel that has 150mm diameter/5.906" inch inches. The wheel has a width of 50mm=1.969" inch. The Caster with the wheel from end to end is 195mm = 7.677" inch. Top Plate is the method of installing the caster to your equipment, the dimensions are 100mm x 115mm with the holes distance of 75mm x 85mm. Rolling with a wheel core material of Thermoplastic Rubber and a Thermoplastic Rubber tire rolled over Double ball beaing. Bearing in mind that every caster wheel has the load capacity of 617 lb with a Fixed type. Temperature range = -40 to 180 F. Buy the 6inch-Caster-017 now, just add the quantity to basket and click on Checkout.