music intrument 1 pure metal movement 2 accurate, stable, loud 3 be similar to NIKKO 4 wide choice of colors ... mechanical core,pure metal movement · Accurate beat with bell,stable,loud · Bell for beats 0,2,3,4 and 6 · Easy ... ,durable,good stability. · a unique of the appearance,portable,loud and clear voice and simple operation·alibaba golden supplier & manufacturerSpecification Size of ...