WOSS Tornado Pulley Trainer Made in USA - 3/8in System This fully adjustable Prusik Pulley Trainer system includes 12 ft. of 3/8" USA Made Rope, a black Pulley with an aluminum wheel, two workout Handles with built-in 1-1/2" wide Foot Loops, a 3ft long 1in Anchor Strap with built-in Door Anchor and two Carabiners for very fast and easy set-up and take-down, and one drawstring bag that for easy storage of your system. Due to the free movement of the Pulley your core muscles are more challenged and trained than with standard Trainers. The instability will also ensue you use both sides of your body evenly. You can perform full-stretch see-saw exercises with our Pulley systems. No Cambuckles sliding over your arms! Thanks to the ingenious (and simple) Prusik knot, length adjustments are as simple as sliding the knot up and down the rope. Once one loads the knot (perform an exercise) the knot locks onto the Rope without slipping. The Military Anchor Strap with built-in Door Anchor is perfect for tree trunks, branches, rafters, open beams, even a door. Take it to your local Gym and anchor it to their bar - fast and easy. This system comes with our "FULL BODY QUICK START EXERCISES" sheet demonstrating 18 exercises to get you started right away. No shiny boxes here. No DVDs to collect dust. Just what you need - First Class Equipment; Made in the USA. If you are serious about getting in shape, this system will give you serious results - you use it and we guarantee it! Perfect for the active that wants more from a Trainer.