Product Category: Guitar Tool Bag Set Material: plastic + metal Applicable scene: musical instruments Types of musical instrument accessories: national plucked stringed instrument accessories Musical Instrument Accessories: Other Musical Instrument Accessories Material: plastic + metal Color as shown Package Contents: 1 x string protector 12 x string nails 8 x hex wrench 9 x T-shaped ruler 10 x grinding file 2 x grinding spacers 13 x grinding file needle 1 x string height measuring ruler 1 x space ruler 1 x sanding block 1 x grinding stone 1 x cleaning cloth 6 x strings 5 x celluloid picks 1 x storage bag 4 x upper and lower pillows 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.