Features: 1.The reed adopts high?quality phosphor bronze tone spring, accurate tolerance ratio, clear pronunciation and bright tone 2.The base plate adopts 1.2mm thickened pure brass plate, which increases the vibration of the reed and the sound is more loud. 3.The surface of the base plate is electroplated to prevent the saliva from corroding the copper plate and extend the service life. 4.This harmonica body is made of ABS resin material, the color is transparent and bright, and the water resistance is good 5.The key of the harmonica is on the left side, so you can see the key at a glance, and learn harmonica better specification:Item Type: 24 Hole Tremolo Harmonica Tonal: C Reed Material: Imported phosphor bronze Seat Plate Material: 1.2mm brass Base Plate Material: Brass approx.1.2mm / 0.05in Cover Plate Material: Titanium black stainless steel plate Qin Grid Material: ABS resin Color: Bright black PackageList:1 x Harmonica Bag1 x Harmonica Cloth1 x Harmonica