all ande, all the time....been that way for years...12lb has handled fish to 50+...if you can, get your hands on the ande fluorocarbon, steelhead beware!!!! i need to locate larger spools of the stuff though, you buy the leader spools and only 1/100th of the spool has line on it...if they're only going to sell it in those quantities, they should use the little leader spools similar to mccoy mean green