Multi-functional fingerboard scraper for multiple uses, accurate measurement, simple operation, help your repair and improvement. Can help you intuitive understanding of the violin code and chord distance measurement. Violin bridge to measure the height of the strings and the width of the piano pillow. The operation of the violin fingerboard template is simple and easy to use. Violin bridge is made of plastic material which is durable. Applicable scenario: violin Model: 4/4 3/4 1/2 color:Black Material:Acrylic Package Contents: 1 set x violin code cutting template Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.