The Controlled Sound Clear Top Black Dot drumheads features focused midrange tones with a well-defined attack. Constructed with 1-ply of 10-mil Clear film and a 5-mil Top Black Dot Controlled Sound Clear Black Dot drumheads provide articulate attack and projection with added durability. The drumhead s outer area offers enhanced tone and sensitivity while the center Black Dot adds durability and overtone control. Available in sizes 6 - 40 . Focused midrange tones with well defined attack 1-ply 10-mil Clear film and 5-mil Top Black Dot Ideal for all playing applications Available in sizes 6 - 40 Black Dot adds durability and overtone control.