Drop weight tensioning mechanism (9 to 90 lb / 4 to 41 kg). * Base with 64 sq. inch tool tray, includes tools (Pathfinder Awl, Straight Awl, Hex Wrenches, Straight Pliers, Razor Knife). * Two composite floating string clamps. * 360 Degree turntable rotation. * 5 Year Limited Warranty.