Nilfisk BV1100 backpack vacuum cleaner and other backpack vacuum cleaners 32mm Steel Wand with the black friction ring. They also fits most other machines that use 32mm accessories. They are a little shorter than 11112400.
It's shown at the bottom in the photo. TWO pieces are needed for a set.
FOR FAR BETTER VALUE USE GARRC032 They're ONLY $12 and are shown in related items below!
As they're light, maximise the saving on postage and buy some of the related parts below, such as the filters, dustbags or a new floor tool or a hose.
At the moment, standard postage within Australia is capped at a maximum of $20!