1. The Kalimba key is made of manganese steel material, the sound is and ethereal, the flexibility is good and the reproduction is good.2. Repeated electroplating, grinding and beveling process, the surface is and translucent.3. Thickness of 1.0 + rust treatment.4. The engraving on the back of the quickly finds the corresponding key when installing.Colour: silverMaterial: metalSize: 112x10x8mmPackage Contents:1 x (17pcs)2 x Pressure Beam5 x screws2 x wooden bridges1 x tuning hammerOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.