i use a cebora 180 , i had it 14 years ago when i had a garage and it worked 8 hours a day 6 days a week , got it at home now , had a prob not long ago so had it serviced , still shit , took it to another chap (person i got it off in the first place ). new torch £40 now its like new and burns hole in 3mm box if you turn it up but welds thin or rust with ease . mint welder . takes .6 or .8 big bottle or small . no euro but can convert 4 65 quid