Surluoen 2PCS Violin Metronome Piano Metronome Slider Metronome Metal Sliding Block Piano Accessory Silver

It's made of metal material, which is wear resistance and practical for the time use. Changing the position of the pendulum block can change its vibration period, all a good pendulum block is very important. The replacement piano metronome sliding block is easy to install and requires no additional tools. The metronome pendulum can move up and down, and the scale corresponding to the position of the pendulum indicates the number of per minute corresponding to the pendulum. Simple and convenient installation without any screws, just need a minutes to install.