They are tapered and act as a natural extension of your line tapering down to your tippet. 

They cast beautifully, and come in four densities that allow you to fish the entire water column. 

 Polyleaders are available in the following sink rates; 

* Clear Floating 

* Clear Intermediate Sink (1.5 inches/second), 

* Dark Brown Fast Sink (3.9 inches/second) 

* Dark Grey Super Fast Sink (6.1 inches/second). 

 Each leader has an exposed monocore tip to attach your tippet in whatever fashion you prefer from blood knot to triple surgeon's, or tie a perfection loop for a loop-to-loop connection. The Trout Leader is 7-feet and you can add 4- to 8-ft. of 2- to 12-lb. tippet depending on conditions