Take backyard play to the next level with the Brand 44 Slackers 40" Zipline Hawk Series Set. This easy-to-install set includes a durable 40-foot stainless steel cable and simple instructions and hardware for attaching the cable at an incline between two trees. The steel trolley has comfortable rubber grip handles and sealed ball bearings for a smooth ride. A zip-line is a fun way to encourage outdoor play and exercise, providing hours of fun for the whole family. For kids 7+.