Clear drum head for bass drum. Evans EQ4 series features a single ply of 10 mm film. A fixed internal overtone control focuses the tonal response of the drum. This version features a tom hoop to accommodate metal flange counter hoops. A fixed internal overtone control focuses the tonal response of the drum. Very versatile head for all music genres; a true working drummer's choice. Diameter: 16 '' Dimensions: 591 x 28 x 591 mm. Weight: 599 g