The Jungle Gym XT Strap Xtenders add 8 feet to each side of your Jungle Gym XT, allowing you to cinch or clip into up to 16 foot high anchor points! The oversize cinch loop is made of 4 layers of industrial strapping to safely grip sharp I-beams and other abrasive ceiling structures. In addition to the durability of the Strap Xtenders, the system features DuPont ® Zytel™ length adjustment buckles and a Easy Closure excess strap-wraps to ensure a height-adjusted, clean and professional installation every time.