Home / Flies / Dry Flies / Hex and Drake - Big Mayflies / McCoy’s Iso Dun #12 McCoy’s Iso Dun #12$3.00 18 in stock McCoy's Iso Dun #12 quantity Add to cart Categories: Dry Flies, Hex and Drake - Big Mayflies Description Description Very realistic natural Iso dun size #12 Related Related products Hot Spot Comparadun Isonychia #12 $3.00 Add to cart Sale! McCoy’s Boondoggle Spinner – Isonychia grey #12 $3.50 Original price was: $3.50.$2.50Current price is: $2.50. Add to cart Sheets Extended Body Stacker – Wine #14 $3.00 Add to cart Sheets Extended Body Stacker – Wine #12 $3.00 Add to cart