I tie my casting harness with 20# seaguar fluorocarbon at 2 ft and two #2 gamagatsu hooks and quick change cleves usually a #4 gold Colorado blade.
My trolling harness is same line at 6.5 ft long with a #1 gamagatsu hooks in front and a treble in the rear.We have usually been using double willows on the harnesses.Purple and pink blades.