This repairing tool set is made of steel and wood material. The steel note keys are indispensable part of kalimba, and our replacement note keys must for this responsibility. Its materials ensure its durability and wear resistance, and can accompany your music dream for a long time Features -Color: Assorted Color -Material: Steel and Wood - Size: 15.70X6.30X1.50cm/6.17X2.48X0.59in - Our repairing tool set is suitable for 17 note type of kalimba. - You can take it with you and replace the old or broken kalimba note keys at any time. - With this repairing tool set, your kalimba will play a more pure and wonderful sound. - At the same time, it is also a good choice to give it to friends who study kalimba with you. - It selects excellent repairing tool set to ensure its impeccable quality. Package list: 17 x Manganese Steel Keys 1 x Shrapnel Stents 1 x Small Steel Bar 5 x Screws 2 x Sleepers 1 x Tuning Hammer