The Protean Drum Tuning Key by Sonor is a tuning key developed in collaboration with Sonor and Gavin Harrison.

The orange top of the tuning key enables the user to tighten their drum skins to a 'finger tight' setting. The Protean Drum Tuning Key is made from durable metal that will ensure a long lifespan.

The main features of the Protean Drum Tuning Key include:

• Simplifies and speeds up the replacement and tuning of heads
• Supports pre-tuning with fingers and balanced tightening of the tuning screws
• Developed in collaboration with Gavin Harrison