I bought a 2 pound can at the California State Fair about 15 years ago and use it on just about everything that needs a little TLC. Down to the last 1/4" and am getting liquid forming on top after setting for awhile, just mix it up and good to go. I have used it on blued & nickel guns with good results. I recently picked up a nickel Mod 29 that was pretty crusty looking, got the seller down $200 because of the condition. After cleaning it up with Flitz, discovered a problem with cylinder rotation and returned to seller for repairs. He couldn't believe it was the same gun, had to check the S/N! Anyway I love the stuff, but a word of caution, I was polishing some of the wife's silver do-dads with a dremel and forgot to put on my safety glasses, burns like heck if it gets in your eyes.