The Premium Hardware at Sonor. Maximum reliability, optimum handling, lots of individual components and super-professional down to the last detail. The standard 600-series hardware comes equipped with the secure-fastening Sonor wing screws. The flat designer-style Easy-Grip adjustment knops are optionally available as accessories.

The HH 684 features:
- Adjustable spring tension
- Swivel foot board
- Toe Stop
- 7-step bottom cymbal tilter
- Lefts convertable from rubber to metal spurs
- Retractable