DynamO, 4", Black, 10 Pack

The DynamO is a hole cutting template for resonant Bass drumheads that provides a vent hole for all drum mics.

• Resonant drumhead hole cutting template
• Provides added durability to the vent hole when using bass drum microphones
• High strength adhesive backing
• Available Black and White sizes 5.5, 7", 9" and multi packs