Yamaha Timpani Tuning Key
If your ensemble uses and maintains timpani, a good timpani key is a must. To keep your timpani sounding their best, they should be frequently adjusted to ensure the head is seated evenly and the pitch is consistent around the entire drum.
The Yamaha TK40 timpani key will fits ALL Yamaha models.
*Note: This will not fit Ludwig and many other modern timpani models.