String your tennis or badminton racquet effortlessly with the Tourna 550-ES Stringing Machine. With features such as a 6-point mounting system, adjustable side supports, and a built-in ruler, this electronic machine helps minimize stress on your racquet. The push-button tension mechanism and 15-81 lbs tension range ensure precise and accurate stringing. Precise and convenient, the Tourna 550-ES Stringing Machine makes stringing a breeze! Electronic stringing machine for tennis or badminton Push button tension mechanism 15-81 lbs Tension Range 6-point mounting system designed to minimize stress on frame Adjustable V-shape side supports Full 360� Octagonal turntable rotation with brake. Space saving, ergonomic shape base with easy to use smooth track. Two ultra slim profile swivel clamp; fully CNC crafted with aluminum alloy; 5-tooth quick dual action; finger adjustable with numbered dial for tennis and badminton Cone Lock Swivel base clamping system Finger tip adjustable 5-point clamps Built-in ruler Easy to use rotary string gripper Tools included - Hex Wrench set, 1 straight pliers, 1 straight awl, convenient storage. Two-year warranty