Whatever you are building needed to be on wheels, here come the 6inch-Lock-Caster-001. This wheel caster has a wheel diameter of 150mm or 5.906" inch in inches. Dimensions of the caster wheel is 50mm (1.969" inch). The caster dimensions heightwise is 190mm/7.480" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 115mm x 110mm x 6mm and holes distance of 72mm x 85mm. The Double ball beaing design will enable the Polyamide (Nylon) tire to roll easily with a core made of Polyamide (Nylon). Here come the maximum load that should be applied on every wheel, remember to add safety factor, when calculating the load capacity 1543 lb with a Side Locking type. Last and not least the temperature range = -40 to 180 F. Remember, you will have to buy the 6inch-Lock-Caster-001 in order to have it :).