The Torpedo Zip Kit is designed for the most adventuresome zipliners. It features the ZLP Torpedo trolley with dual ball bearings for incredible speed and smoothness. It is made of stainless steel to insure durability and longevity.Kit Includes:- Torpedo Zip Line Trolley made of stainless steel. With its dual ball bearings it is known for its speed and durability. - 1/2" x 12" turnbuckle for tightening the cable- 6" chain sling for wrapping around one tree (call or email for longer sling lengths)- 5/16" cable hardware (6 clamps and 1 thimble) for attaching the cable- ZLP zip line handlebar- Big Boy zip line seat 11" x 7" in size with 4" of 3/4" nylon rope- 2 carabiners for attaching seat and handlebar to trolley - 200" of 5/16" galvanized cable