a297ca5f_r_s_Corner___Choosing_a_Leader__5
[0] Mirage Knotless Trout Leader [1] 6', 7.5', 9', 12' [2] 100% Fluorocarbon (PVDF) [3] 0X - 7X [4] Trout in lakes and ponds with any type of fly. In rivers for trout, streamer and nymph fishing without indicators. [5] 
Suitable for any trout fishing application, but is best for nymph and streamer fishing. Sinks better than nylon, provides greater abrasion resistance, and is more invisible to fish. Because of it's slighter better sink rate and transparency, Mirage is superior to nylon for stillwater trout fishing.
Fly Fishing - The Beginner's Corner - Choosing a Leader
5