Ideal for
Medium (pack of 6) suited #1/0 #2/0 gamakatsu sl12 or ahrex sa270 #2/0 and the sa280 #1 and #1/0
Large(pack of 5) suited #4/0 gamakatsu sl12 or ahrex sa270 #3/0 and #4/0 the sa280 #2/0
The secret ingredient to how I tie my silicones. The process of evolution of how I do these is a long one. For many years I based them on Bob