TFO BVK Conversion Kit only- turns 8' #3 4pc fly rod rod into 10' #3 5pc Converts 8' #3 4pc rod into 10' #3 5pc rod Perfect for Euro/Czech Nymphing For under $100, it's like getting a second rod Nano Technology creates a thinner but stronger blank Kit only- does NOT include BVK 8' #3 fly rod