RIO UniSpeyA VERSATILE MID BELLY LENGTH SPEY LINE that is ideal on rods of 13' and longer on larger rivers Rear loaded design loads rods easily and ensures effortless, efficient Spey casts Mid length head for great mending and line control at distance RIO's UniSpey has a powerful mid length head that is he most versatile of spey designs, and that will cast long distances with ease. The head length is ideal for Spey rods between 13' and 15' in length, and for mid