The Natural Fitness Adjustable Resistance Tube - Medium is a unique and versatile fitness tool. The Medium resistance level is great for intermediate level and average-sized people who want a smooth, safe and convenient workout. What makes this product truly unique is the patented adjustable quick-change handles which allow for fast, easy variation of tube length and resistance level making it simple to switch from one exercise to the next. The included exercise instruction chart provides a full body workout. Contains two adjustable quick-change handles & 1-Medium 4 ft. Resistance Tube.