Scientific Anglers Sonar Leaders are sinking leaders (or floating) that are perfect for getting flies down a little farther or adding some power to a fly line. SA Sonar Leaders are great for both single handed fly rods and light two-handed fly rods. Each leaders is 50 grains and has a welded loop on the butt for easy attachment to your fly line loop. Each of these Sonar leaders is built on a 25lb mono core and features a different color for quick and easy identification.
7' leaders are 35 grains.
10' leaders are 50 grains.
