Feature: 1. All in one tool kit for Guitar, Bass, Mandolin, Banjo etc. 2. Includes ruler, hex wrench set, files and strings, string organizer, bridge pins, picks and picks bag, etc. 3. Perfect for string instrument cleaning, maintaining and repairing, keeps your instrument in nice playing condition. 4. Professional guitar service kit, stored in a handy carrying holder case bag. Specification: Professional guitar service kit, stored in a handy carrying holder case bag. Features: All in one tool kit for Guitar, Bass, Mandolin, Banjo etc. Includes ruler, hex wrench set, files and strings, string organizer, bridge pins, picks and picks bag, etc. Perfect for string instrument cleaning, maintaining and repairing, keeps your instrument in nice playing condition. Professional guitar service kit, stored in a handy carrying holder case bag. Specifications: Material: metal, plastic Package size: 200 * 100 * 50mm / 7.9 * 3.9 * 2.0in Package weight: 370g / 13.1ounce Packing List: 1 * Set of Red Copper Strings 1 * Set of Copper Strings 1 * Ruler 3 * Files 1 * Screwdriver 3 * Wrench (4/5/6mm) 1 * String Organizer 1 * Nut 6 * Bridge Pins 1 * Picks Bag 5 * Picks Package List: 1 * Set of Red Copper Strings 1 * Set of Copper Strings 1 * Ruler 3 * Files 1 * Screwdriver 3 * Wrench (4/5/6mm) 1 * String Organizer 1 * Nut 6 * Bridge Pins 1 * Picks Bag 5 * Picks