NilfiskCFM 118 industrial vacuum cleaner light 40mm aluminium wand for wheeled floor nozzle. It fits into the hose cuff and down to the quick release fitting on the floor tool.
The photo is of the chrome wand.
As postage is capped at a maximum of $25 so maximise the saving on postage and buy some of the related parts below, such as dustbags and the filters or a new floor tool.