If you want to find a more professional one, go to the Badminton Association for consultation. They pull wires frequently and should be recommended. In addition, although VTZF2 can withstand high pounds, it is usually not recommended to pull such a high number of pounds for the first time in a new racket. On the one hand, it is not conducive to the maintenance of the racket, and on the other hand, it requires higher technology for the racket puller.