With Accurate String Tension Tester Racket Sports String Machine Tools Squash Ball

Label:Yes Product size: as shown in the pic Racket pressure: 0-42 lbs Material: PVC colour: black Package Contents:1Pc Tension Calibrator

1. Feature:Keep your reference tension in check with the tension calibrator stringer tools 2. A must have for proper stringing machine maintenance. 3. A racket that has just been put on the line or used for a period of time, usually the midpoint value of the beat value measured by the pressure gauge is too small, and the pressure value around the beat tends to be more pounds, compared to the horizontal line, vertical The line's beat value tends to be more pounds.