Large 100mm rear wheel for the Numatic Henry and the Numatic Junior and the Numatic Hetty and the very versatile Numatic George and the "wet" Charles by Numatic and most of Henry's commercial family!!
In the background of the photo, they fit on the moulded stub axle with a plastic hub NUM227868 and are secured with a simple screw.
The later machines are finished off with a matching coloured hub-cap
At the moment, standard postage is capped at a maximum of $30 within Australia, so maximise the saving on postage and buy something in the related parts below!