The product is well-made of natural wood, which is not easy to deform and be damaged. This product is designed for installing on the thumb piano or 10-tone kalimba, which makes you play it more conveniently. The compact and lightweight design does not take up much space when stored. Features -Color: Wood color. -Material: Wood. -Size: About 9.20X3.40X1.00cm/3.62X1.34X0.39inch. -These thumb piano bridges are made of solid wood, which can improve the play effect of the thumb piano. -This product can be given to your friends who are a thumb piano lover as a gift to make them happy. -It can be easily changed to fit your 10-tone kalimba and thumb piano, easy to use. -The product will soon become a good helper you need to use, and it is very practical. -Great replacement parts for thumb pianos of most sizes, a must-have product for those who love musical instruments. Package list: 2 x Kalimba Piano Bridges