Take a look at
TotalToolBox.co.uk
This is what we show our students as to what they should have in their toolkits as wet plumbers/tilers/plasterers
The products are still being added, but if nothing else, use it as a guide as to what you should be having in your toolkit. All the items have been tried and tested on site, and they are not just a mass random selection of tools that most web sites put on, leaving you with a headache trying to work out what you will need
