Want to fix a tap but cannot get the top off. ! HELP!

Trying to get the top off of some taps can be a real headache. Once the brass collar has rounded off it seems impossible to undo. Here are some of the ways to get those taps sorted.
I also now have an Amazon shop for parts and tools at
Have been advised about the tapsplitter set, but it is way too expensive for the odd tap. You could buy a new set of taps for the price. Good for plumbers who are fixing taps all the time though.

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