All of our lines are made of 100% PETDW 16 strand rope. This stuff is made to last, has a hollow braid, floats in water, will not rot or mildew and has built in ultra-violet inhibitors. Main lines are made of 3/8" tugs and neck lines are 1/4". 5/8" bronze snaps on the tugs and 3/8" bronze snaps on the neck lines. The dimensions of our lin