Jim, Last night when I was tying with Zen Leecher we tied some woolybuggers in size 6 2xL. Some may think this is big but ,I think its fine and they work well. The Zonkers and leeches I have tied and fished with are size 8,10,12. Plus there are the mini leeches that Zen Tyes up , Also I 've seen them at outdoor emporium, size 12,14.