no drip collars. No problem. Get to Bunnings and buy a two-pack of sink plugs from the plumbing section, you will know which size when you see them. Couple of SS self tapping screws. Drill out the pop rivet from one of the paddle blades and remove the remains of it. A bit of heat from a hair drier or very gently with a heat gun will soften the adhesive, NOT TOO MUCH. (mark the position of blade relative to the shaft before you remove it, or adjust later to your liking) Paddle blade comes of with a bit of persuasion, i.e. hit it with a piece of wood sliding the wood down the shaft. Once it starts to move get someone else to hold it and twist and pull until it comes free of the adhesive. - I did it alone using a vice with the shaft well wrapped in cloth and squeezed gently - I also cut a few inches off the shaft at this stage as well. Cut out the centre out of the plugs Stanley knife is good but try not to make yourself bleed, you will find a neat little edge to work to which leaves it a little bit under the size of the shaft. Take your time and keep it neat. Once it is cut out neat close to that edge it is still a bit undersize, that's a good thing, it will stretch over the shaft. Repeat making sure you reverse the second plug. There is a little cup inside the end of the shaft. Careful not to cut this if you shorten the shaft. Replace that beyond the reach of where the SS screws will fit in. Replace blade to your liking and fasten with two SS screws. Each with their own NEW hole. A bit of All Clear on the shaft and in the VERY SMALL predrilled holes first and the end won't come off. Works and looks great.