Electronic Tennis stringing machine

.Table Electronic Stringing Machine. 2.Suitable For Tennis Racket And Badminton Racket. 3.Micro-Computer Controlled Pounds Self Correction In 0.1 LB Increments 4.Constant Pull Tensioning System 5.Power-On Self-Checking System 6.Four Sets Of Pounds Memory Function 7.Pre-Stretch,Speed And Sound Are Adjustable. 8.Knot With Auto Increasing Pounds And Back Function