The Tourna 850-ES is a superb precision stringing machine with advanced controls and gauges for the ultimate customization. The Sleek design makes the machine stand out. Backed by a 2 year mechanical warranty and 1 year electrical.Features:Diablo tensioner and linear pull for the most delicate strings. Glide to Activate string gripper allows tensioning with one hand. Super-fast..Patented Down-Press Clamps and Gravity release make this the quickest most agile machine on the market.Loaded with features like the Auto-Electric Brake, 4 levels of pre-stretch, 6 pull speeds, 8 memory settings, Electric height adjustment, 6-point and Self Leveling quick mounting.Universal, space saving, ultra efficient, CNC Crafted precision clamps for less pressure on the strings. Unique dial prevents clamp loosening or tightening during the stringing process.Returns:Any drop shipped item (shipped directly from manufacturer) must be returned to the manufacturer within 30 days of the original invoice date.You must request a Return Authorization (RA)Any restocking fees and return shipping costs will be paid for by the customer.Return shipping labels are not provided for drop shipped items.Drop shipped items being returned must be unused and in their original packaging.The Tourna 850-ES Precision Stringing Machine provides convenient features like rear tilted mounting posts to maximize workspace, Tool Tray, Tool Holder, Cell Phone Holder. Universal V supports and unvirsal clamps make this ideal for both Tennis and Badminton.