don't bother with the ones designed for the disposable bottles as they will leak all the gas within a few days, go for a full sized bottle welder as you can turn off the gas and they will be built for doing proper welding
something along the lines of this would be a good investment http://www.ebay.co.uk/itm/sealey-185-sup...43b480ca52 . don't be surprised that whatever one you go for will need new wire, tip and shield tip unless its new
something along the lines of this would be a good investment http://www.ebay.co.uk/itm/sealey-185-sup...43b480ca52 . don't be surprised that whatever one you go for will need new wire, tip and shield tip unless its new