Hi guys, i purchased the little smith torch and am having a real problem setting it up. The oxygen side of things is fine, it is the connecting it to the propane tank which is a pain. I have been numerous places but nobody seems to have the missing piece i need. I have fitted the flasback arrestor and have fitted the a regulator to the propane tank but an now stuck, i need something that fits to the arrestor and the regulator etc can you please help or tell me what and from where i need to buy etc, thanks