Hawk-10 Portable Stinging Machine. (R)Eagnas Lightweight portable Two-point mounting system, easy to operate Easy to mount and release Secure the string in any angle and at any direction Quick clamp and quick release string gripper (patent pending) 360 degree rotation 20-90 pound tension range in both pound and kilogram scales 1 drop weight 2 deluxe floating clamps (flying clamps) Frame retainers, manual, tools: Allen wrenches Free illustrated stringing tutorial guide: show you how to string racquets step by step Handle widebody and long-body racquet stringing 5 years warranty The lowest price on the market!