There is a metronome pendulum block. A metronome is a device that adjusts the rhythm and stabilizes the beat. It is one of the most basic piano learning , therefore, mastering the number of is very important and has a great effect on practicing the piano. Our metronome pendulums are made of safe and reliable metal material for durability and reliability. Features -Color:Silver -Material: metal -Size:1.80X1.70X0.50cm/0.71X0.67X0.20in - High-grade metal material, durable,. Durable metal material makes this metronome pendulum last for a long time. - Simple and convenient installation without any screws, suitable for most metronomes, just a few minutes. - Metronome high-grade replacement parts, compact size, light in weight, which can add more convenience for the process of installation. - In the process of learning playing piano, mastering the beat or rhythm is very important, and our metronome pendulum will help you learn the piano. - Excellent workmanship, small and practical, not easy to damage. A great accessory for a piano metronome. Package list: 1 x piano metronome slider