How The Enlargement System Works? By applying a continuous, gentle pull to the it, encourages the body to create new tissue in order to relieve the pressure. This principle of traction lengthens and thickens the naturally and permanently and without any side effects. Two most important factors that determine how much and how fast tissue will grow are the amount of tension applied and the amount of time spent. How long and how often should I use this device? Your actual results will be proportionate to the amount of time and traction force along with total time of treatment you do. Clinical trials have shown that when the device is used 8 – 10 hours daily for 3 – 6 months significant growth was shown. growth of up to 30% length and 20% girth Straighten curvature Bigger, stronger and healthier 8 inches (20.3 cm) maximum device length Clinically proven method Permanent gain High quality materials Your Medically Approved Kit Includes: Extender base device (8 in. max. device length, additional rods may be purchased to extend your device beyond 8 in.) ProExtender Device: 12.2CM/4.8" Shot Bar: 2.5 CM/1" Long Bar: 5 CM/2" Silicone Tube: 26 CM/10.3" Whats Included: 1. The ProExtender Device 2. Two Short Bars 3. Two Long Bars 4. One Soft Silicone Tube 5. One Foam Rings 6. Retail Box!