Don't think too much, use 4inch-Swivel-Caster-005 to get your DIY move and manuver around. This wheel caster has a wheel diameter of 100mm or 3.937" inch in inches. Dimensions of the caster wheel is 50mm (1.969" inch). The overall height of the caster is 142mm or 5.591" inch. Mounted via a Top Plate that has the size of 115mm x 110mm x 6mm and the holes distance of 72mm x 85mm. The caster core is made of Polyamide (Nylon) and has a Polyamide (Nylon) tire with a low friction Double ball beaing. Here come the maximum load that should be applied on every wheel, remember to add safety factor, when calculating the load capacity 1102 lb with a Swivel type. Temperature range = -40 to 180 F. Buy the 4inch-Swivel-Caster-005 now, just add the quantity to basket and click on Checkout.