Feature: <br> <br>Use these to accurately setup your guitar bridge saddles to match the fingerboard radius. <br>The kit has nine different specifications of tools to meet the needs of different types of guitar or bass. <br>9 different types of tool: 9.5 16 12 20 10 15 14 7.25 17. <br>Easily use the matching top radius of this gauge to determine the proper height adjustment for bridge saddles. <br>Obtain accurate measurements of your instrument's fretboard radius using the bottom radius of the gauge <br> <br>Specification: <br>Material: Metal <br>Color: Silver <br>Radius: 9.5 16 12 20 10 15 14 7.25 17 <br> <br>Package list: <br>9 * Tools <br> <br>Note: <br>The actual product color may deviate from the photo due to light. <br>There may be a slight deviation in the measurement of product. <br>1、Use these to accurately setup your guitar bridge saddles to match the fingerboard radius. <br>2、The kit has nine different specifications of tools to meet the needs of different types of guitar or bass. <br>3、9 different types of tool: 9.5 16 12 20 10 15 14 7.25 17. <br>4、Easily use the matching top radius of this gauge to determine the proper height adjustment for bridge saddles. <br>5、Obtain accurate measurements of your instrument's fretboard radius using the bottom radius of the gauge