Halifax or Vancouver our Low priced answert to the heavy weight objects movement, Wheel casters like our VXB007040PB1 will be rolling your machine or equipment back and forth. Spinning on wheel that has 40mm diameter/1.575" inch. The wheel has a width of 17mm=.669" inch. The Caster with the wheel from end to end 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 weehl core material is Plastic and has a Plastic tire with a low friction -. Each caster wheel will carry the load of 44 lb and is Swivel and Center Brake type. The Temperature range is -40 to 180 F. Buy the VXB007040PB1 now, we ship on the same day.