NilfiskCFM127 industrial vacuum cleaner handle release latch that connects to the cable SKU Z8-40398 This is the article in the second photo, but it's not included with this part. It's simply for illustration.
This latch is shown at the bottom of the first photo. There are two of them, but you are paying for and need only ONE.
When the latch is released, the handle can be lifted upwards to lower the dust container to the ground, and then raise it back up into place.
If you want any other replacement parts and accessories featured below, standard postage is capped at a maximum of $35 within Australia, and free postage after a $400 spend!