Made of fine quality material, long-lasting to use. This tool kit will help complete the most common guitar repairs and adjustments. Including everything for string changes and set-ups, perfect for maintaining and keeping your instrument in perfect playing condition. Easy and convenient to use, storage and carry. Wide application, suitable for guitar, bass, Banjo, electric guitar and more. Colour:Photo Color Material:metal+plastic Package Contents: 1 x 3-in-1 tool 1 x string pitch measuring ruler 1 x screwdriver 3 x hex wrench 3 x polishing file 1 x scale ruler 1 x cloth bag 1 x triangular ruler 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.