4 Pcs Tool Recurve Bow Limbs Center Line Adjustment Module Calibration Detector

Item Name: bow center line adjustment calibration ruleWith this tool, you can confirm the position of the above the bow, as well as the relative position of the star and the bow, and calibrate the bow limbs and the bow riser.Color:blackMaterial:ABSSize:5*3cmPackage Contents:4x center Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.