Evans BD20GB3UV2 UV2 EQ3 Bass Drumhead - 20inUV2 EQ3 bass drumheads set a new standard for durability. Extensively tested with some of the heaviest hitters, EVANS patented UV coating, layered atop two plies of 7mil film, creates superior impact resistance and ensures tonal integrity throughout its lifespan. UV2 EQ3 heads have a medium brightness, enhanced durability, and an internal overtone control ring for a reduced low end rumble and focused attack. This drumhead also features Level 360