Pro Tube Fly Tying System Starter Kit - Complete Set of Tubes, Weights and Cone Heads for Tube Fly Fishing Flies The Pro Flexitube system is a revolution in tube design for flies This kit is an excellent introduction to the complete Pro Tube line-up Includes a wide selection of tubes, weights, heads and and other goodies Just add materials and you can tie dozens of cool and unique tube flies Order the Flexineedle Vise Adapter separately if you don't have a tube fly vise.