CODE: BOSALTF1: 256Hz(135mm) CODE BOSALTF2; 512Hz(150mm) CODE: BOSALTF3; 128Hz(165mm)
Click [here](https://en.wikipedia.org/wiki/Tuning_fork) to read more about [tuning forks](https://www.docsurge.co.za/?s=TUNING+FORK&post_type=product).
• CODE: BOSALTF1: 256Hz(135mm)
• CODE BOSALTF2; 512Hz(150mm)
• CODE: BOSALTF3; 128Hz(165mm)