Two plies of 10mil film make Heavyweight Dry heads exceptionally durable, with a 3mil reverse dot providing additional durability sand focus in the center of the head - B13HWD.
Two plies of 10mil film make Heavyweight Dry heads exceptionally durable, with a 3mil reverse dot providing additional durability sand focus in the center of the head - B14HWD.
Hybrid Black heads achieve greater sensitivity and a broad dynamic range while enhancing projection and durability - Made with an ultra-durable weave of high-tensile fibers - Resonant and full sounding - SB14MHB