Buddy Lee Ropemaster Jump Rope - Yellow & Black New Color! - Rated Best Rope by Los Angeles Times Comes with its own wrench to secure and replace bearings to maintain years of high performance. Designed with a patented swivel bearing system for ultra fast, smooth turning action with no tangles. The 9handles are ergonomically designed for a comfortable handgrip. Designed for adults and children - Easily adjustable for heights 6'8" and under.