Diamond Fishing Products introduces the most complete collection of Wind-On Leaders. Our superior materials and experienced construction combine to produce the strongest, most dependable Wind-On in the world. Low stretch Dynema complements the world famous qualities of our High Performance monofilament, Xtra-HARD and Fluorocarbons. Wind on Leaders are attached with a loop-to-loop connection to your fishing line. TheDiamond Wind-On system improves bate presentation, eliminates the need for conventional long leaders and provides safer handling and releasing of fish at the boat. Fluorocarbon.