AMEYXGS 4 Pcs Recurve Bow Limbs Center Line Adjustment Module Calibration Detector Recurve Bow Limb Gauges Black Center Shot Alignment

Clip on design for adjusting recurve bow limbs alignment relative to the handle, Easy to determine the string position relative to the limbs via lines on the gauge, Good for checking the position and straightness of the limbs, Simple to use tuning tool for recurve bows, Simple and effective visual check for a perfect center shot