Wittner 829161 Taktell Classic MetronomeThe Wittner M829161 Classic Series Metronome (Black Silver) is a traditional Mechanical Metronome, used by Musicians for centuries to help keep time during practice sessions. The Classic Series Metronomes are presented in Plastic Cases, without Bell, in a number of Finishes. The Metronome is a Mechanical or Electronic Device with the purpose of enabling a steady Tempo by striking Note Values (mostly Quarter Notes). The Number set on the Metronome