Unleash the potential of your pull-up bar by converting it into a revolutionary full-body muscle sculpting machine. The Lifeline(R) Pull-Up Revolution has a patented design that provides easily adjustable assistance. Assisting up to 100 pounds of your body weight, it opens up an entirely new level of bar exercises, allowing you to sculpt and strengthen more muscles than ever before. The Pull-Up Revolution will take you from any starting fitness level to above and beyond the bar. Strengthen Your Results Up to 100 lbs. of adjusted power assistance Perform more proper form pull up reps Do extra reps past muscle exhaustion Develop a V-shaped torso-broad shoulders and narrow waist Gain assistance throughout entire motion Progressively get stronger-decrease assistance over time Additional Details 60 day limited warranty