EVANS TT16HB [Hydraulic Blue 16] [2ply, 7mil + 7mil] Cup mute and a 2mil harmonic control

and a 2mil harmonic control ring attached to the back of the head to control excess harmonic overtones and sustain

Finish: Clear + Inner Blue Oil Thickness: 7mil + 7mil

but please note that these are not defective products and will not affect actual use

well-defined tone of brass with the easy-to-play feel of aluminum

VCI-300/MK2

EVANS TT16HB [Hydraulic Blue 16] [2ply, 7mil + 7mil] Cup mute and a 2mil harmonic controlWe are a drum head manufacturer that produces highly uniform drum heads using innovative ideas and computer control. Finish: Clear + Inner Blue Oil Thickness: 7mil + 7mil Size: 16 inches This oil filled, two ply head was all the rage in the late '70s, and is characterized by a dead sound with emphasis on the mid low range and a cut in sustain.