Tourna 600-ES Stinging Machine : The Tourna 600-ES Stringing Machine is a six-point computerized stringing machine on a stand that is excellent for stringing tennis, racquetball and squash racquets. A digital control panel with advanced stringing functions and programming makes it incredibly convenient to string your frame perfectly. This machine features eight programmable permanent tension memory settings. The diamond-coated rotary string gripper allows for quick and accurate one-handed tensioning. With a self-centering lever on the mounting stand, you'll be able to adjust it quickly and easily. Built with a durable, all metal construction. Extremely sensitive electronic tensioner with advanced microprocessor technology. Precision tension control from 10-90 lbs. (4.5 40.8 kgs) with 0.1 accuracy. Modular, removable tension unit for easy servicing. 6 selectable pull speeds. 4 levels of pre-stretch (5%, 10%, 15%, 20%). Knot function increases tension on tie-off pulls. Easy lbs/kgs conversion key. Calibration adjustable with electronic or manual calibrator. Convenient timer function. 6-point self-leveling quick mount system with load spreaders at tip and throat. Articulated side arms (single knob adjustable) for ultra-convenient and secure mounting. Adjustable large metal V-shaped side supports. Octagonal ergonomic, space saving turntable. Full 360° turntable rotation with brake. 5-tooth, slim profile, quick action, rotating swivel clamps. Oversized base and locking arm is easy to maneuver. Fingertip adjustable. Sturdy height adjustable metal stand (30 34.25). Includes leveling pads, metal reel rack, 1 straight awl, 1 straight pliers, Hex wrench set and wrench.