We recently did a job in work that required me to buy some 2 mm thick stainless perforated sheet,2mm holes at 6 mm centres,got one of the sheeties to buff a 200mm by 65mm piece up for me on friday and I rolled it to a 80mm circumference,it looks pretty good,going to tig weld a couple of 6 mm s/s nuts to the link pipe tomoz then buy some M6 dome head cap screws to mount it on with,if I can work out how to post pics I'll put some on of the finished article,doing some other "mods" to the end can to :megaphone