"The greatest amount of sustain and projection of all Timpani drumheads
Ideal for outdoor use, especially Marching applications
7.5-mil Clear film combined with a Low-Profile Steel Insert ring for added tuning stability, sustain and projection
Available in extended collar sizes 22"", 25"", 28"", 31"" and 34"". Other sizes 20"" - 35"" available by special order
Bright, focused tonality with outstanding projection and sustain."