New for 2012. These are our new premium monofilament fly leaders. Butt diameter of .021 inches, tip diamter of .008 and weight test of 5.95 pounds. These leaders can easily have a loop tied into the butt and use a "loop-to-loop" connection.

Look here, to see how to tie a loop in the butt of these leaders and connect them to a loop connector and form a "loop-to-loop" connection between your fly line and your mono leader:  https://vimeo.com/49164858