【ATTENTION】: Preheat the Badminton gromment piler for 2 minutes before use. 【APPLICABLE】: This string protector piler is suitable for tennis rackets and badminton rackets. 【PARAMETERS】: The badminton racket gromment piler parameters are 5V, 2A, 10W, and the temperature range is 100 - 160°C. 【ATTENTION】: When the tennis string gromment piler clamps the string protector, gently shaking it will yield better results. 【OTHERS】: The wrench can be used to adjust the heating point of the gromment piler to make it aligned.