1. 15 in 1, HRC50-55 Tough, save space.2. New and high quality with stainless steel ,fine processing, not rust, practical and strong.3. Using spring bearings, the use of torque, arm principle, to achieve labor-saving effect.4. Improved wear resistance, a good helper of outdoor exercises and home.5. Ergonomic handle, lightweight and durable, comfortable to grasp, portable design, convenient to use.6. Non-slip handle, comfortable grip.