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Product Name: Guitar Material Thickness Measuring Instrument
Product specifications: measuring range of 11 millimeters, measuring depth of 300MM.
Product Description: Used for measuring the thickness of musical instruments. Each time it is used, the needle gauge needs to be adjusted by oneself.
Instructions for use: 1. Debug the top screw under the ten thousand meter and adjust the pointer to 0 as the standard. Secure the screws and prevent the top screw from rotating. 2. Each time it is used, the test is for return, and the value of the return needle finger is the same. Press the yellow handle and place the material to be measured under the top needle. Place the material horizontally and release the yellow handle. Subtract the value pointed by the needle from the original value on the displayed table to obtain the thickness of the material.
If the fingerboard is placed at position 2.5 before the material is not placed, and the fingerboard is placed at position 5.0 after the material is placed, then the thickness of the material is 5.0-2.5=2.5 thickness.