Guitar measurement tool is stable, beautiful and widely used. Guitar string action gauge is lightweight and not easy to break or fade, ensuring your lasting term use. Wide range of application, design, designed for bass and guitar use. Features -Color:Assorted Color -Material: Stainless steel, plastic -Size:8.50X5.50X0.76cm/3.34X2.16X0.30in -Size:8.90X5.00X0.60cm/3.50X1.97X0.24in - Guitar action gauge is Suitable for various types of guitars, including bass and classical guitar. - Can accurately measure string spacing, string height, etc., making it easy to adjust guitar sound quality. - Contain plastic guitar action gauge and stainless steel guitar action gauge, easily meet your needs well. - Guitar action gauge is small and lightweight, easy to carry and use, suitable for home, , performance use. - Guitar action gauge fits for electric guitar, and can be used as a backup or shared with friends. Package list: 1 x Plastic String Action Ruler 1 x Stainless steel String Action Ruler