The Purple Signature Mini Intruder has been our most popular color for early summer, clear water periods of winter, heavily pressured fish, or rivers like the Deschutes or Klamath with smaller average sized steelhead. This little mini Intruder is just the ticket when you want that medium sized fly. The Signature Mini Intruder is tied on a 20 mm shank rather than the 35 mm shank of the other Signature Intruders. Also, the hook is just a size 6 rather than a size 2. Total fly size is about 2 1/2 inches in length.