String Tension CalibratorSpring tension calibrator for checking machine accuracy.Tension Measuring DeviceConnect between string machines to see the actual tension.Premium MaterialThe tension calibrator is made of aluminum alloy, which is strong and durable.High PerformanceBadminton racket tension calibrator are stable performance, vibration resistance, and high practicability.ApplicationApplicable to all brand stringing machines, suitable for tennis/ badminton/ squash/ racquet.Specification:Material: aluminum alloySize Chart:length: 13.5cm/5.31inchPackage Includes:1 Tension CalibratorNote:Please allow slightly errors due to manual measurement and different monitors.
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