Hi to all: There were numerous places suggested as a source of ss or plated 2" muffler clamps. Below is a partial listing of some of the sources: Harbaugh http://www.harbach.com Lightning Bolt Antennas Marine Supply House Auto Speed Shops J.C. Whitney Local hardware stores (I don't seem to be able to locate them here) At any rate, this is a start. That Harbaugh lead is a great lead. Look at their website and you will see what I mean. 73, Charlie, W0YG..>> -- Other comments: I am a satisfied customer of Harbaugh....his hdwe has been used on several projects and has performed well...I have no interest in his company no do not stand to benmefit from this other than to hope that othewrs support Al's business so it stays around for the next project I need to tackle....I especially like the cast saddles on his u-bolts. --------------- Jamestown Distributors has SS and Galvanized u-bolts (square and round types) plus very good prices. I have ordered from them several times with no problems. There is no minimum that I am aware of and they take credit cards. There primary business is as a marine fasteners supply house. --------------------------- Charlie, last time I needed stainless steel u-bolts, I was able to get them from Jacob Schmidt and Son, Inc 1936 Sumneytown Pike Harleysville PA 19438 215-234-4641 Not sure they're still in business, and they're not antenna folks, but do carry a LOT of stainless parts...including u bolts, and clamps, etc.... I think they require a check, and don't take credit cards (at least a few years ago that was the case) but a stainless u bolt will serve you well!