Feature:
1. Hard Plastic Material: Badminton racket tension calibrator is made of high quality metal hard plasticl, reliable performance, sturdy, durable and long service life.
2. Easily Know Pressure Value: The special badminton racket tension calibrator can easily know the pressure value of the racket string and decide whether to replace the racket with a new string.
3. Small and Portable: Small size, light weight, easy to carry around with you, 0‑42 pounds range, clear reading, simple operation.

How to use:
1. Turn the disc counterclockwise to reset the scale to zero.
2. Place the two small cylinders of the pressure measuring instrument perpendicular to the surface of the racket and insert them in the cross direction.
3. In the direction of the cross. Turn the manometer clockwise, and when the vertical line is centered in the arrow of the manometer, find the time corresponding to the scale value of the dial.

Specification:
Item Type: Badminton Racket Pressure Measuring Device
Material: Hard Plastic
Color: Black
Weight: Approx. 91g / 3.2oz

Package List:
1 x Badminton Racket Tension Calibrator

Note:
1. The racket pressure value is not exactly the same as the pound value, but some points tend to be the pound value. 2. This is a pressure gauge rather than a weight gauge. The main purpose is to measure the pressure of the racket and know whether to change the new line.