Engineered to provide endless fun summer after summer, the Slackers 70' Zipline Hawk Series Kit has everything you need to safely and easily turn your backyard into a zipline adventure park. . Fully assembled steel trolley utilizes sealed ball bearing pulleys to provide maximum strength and smooth operation. Trolley grips feature a notched, non slip finish to provide exceptional grip and handling. Kit contains steel trolley, stainless steel cable, all necessary hardware, and instruction book installation requires an adjustable wrench, screwdriver, and hand pliers not included. 250 lb. weight limit. For ages 7 and up. Weight: 11 lb..