1.Professional for badminton racket
2.With free full set of tools
3.No damage to stringing, no damage to racket, no line-sliping
4.Computer head controlled
5.Anti-slip design to prevent the racket from deformation
6.Storage the pounds you usually used
7.Increase one pound itself when you press KNOT.
8. KG/LB transform, you can choose one you are used to meassure
9.Constant pull, automatic pounds correction
10.Automatic clamp rotation base, synchronous racket holding system.
11. Three speed of pre-stretch to protect the line of your racket
12.The five teeth of clamp can be adjusted to suit for different racket line