Little or minimum effort can be possible on your operator by installing VXB007040PF just ask your operator to push and pull, but not carry. Spinning on wheel that has 40mm diameter/1.575" inch. Sizes of the caster wheel is 17mm (.669" inch). The height of the wheel caster is 54mm = 2.126" inch. Mounted via a Top Plate that has a size of 45mm x 40mm and the holes distance of 35mm x 28.5mm. The - design will enable the Plastic tire to roll easily with a core made of Plastic. Having in mind that every caster wheel has the load capacity of 44 lb with a Fixed type. The caster wheel temperature range = -40 to 180 F. Order the VXB007040PF now, just add the quantity to basket and click on Checkout.