The Tower 200 Door Gym uses multi-tension power cords that includes up to 200 pounds of explosive resistance and 200 different exercises designed around 11-minute workouts. It comes pre-assembled and fits any door, so you just select your level of resistance, attach the hand grips/ankle straps, and start pounding away. This total-body conditioning system is based on Randy Couture's MMA-inspired moves. The Tower 200 has two 25-pound cords, two 35-pound cords, and two 40-pound cords. To get 200 pounds of resistance, you would utilize all six Power Cords at once, but you can work out with as little as 25 lbs. resistance if you only connect one of the 25-pound Power Cords to your hand grip or ankle strap. What's included in every Tower 200 order? - Tower 200 with 200 lbs of resistance - Tower 200 Hand Grips, 1 pair - Tower 200 Ankle Straps, 1 pair - Ultimate Muscle Explosion Starter Guide with Over 200 Killer Exercises - Tower 200 Exercises Chart - Tower 200 DVD with 11-Minute Mother of All Workouts, plus 4 Bonus Power Pack workouts