Sonor KS 50 L E Deep Bass Metal, Chime Bar / MetallophoneThe chime bars of the master class KS 50 L, KS 50 P, NKS 60 P and NKS 100 P are overtone tuned and the resonance boxes are made of pine wood.@+@+All resonance boxes are equipped with tuning adjusters for the manipulation of duration and volume of the