20" DRUM HEAD MADE USING A SINGLE PLY OF 12MIL FILM. EXTERNALLY MOUNTED ADJUSTABLE DAMPING SYSTEM ALLOWS THE PLAYER TO ADJUST ATTACK AND FOCUS. EXTERNALLY MOUNTED ADJUSTABLE DAMPING SYSTEM ALLOWS THE PLAYER TO ADJUST ATTACK AND FOCUS. IDEAL FOR HEAVIER HITTERS LOOKING FOR A SOLID SOUND AND MORE LIFE TO THE HEAD BUT PREFER THE FEEL OF A SINGLE PLY. A 12MIL VERSION OF THE ORIGINAL 10MIL EMAD. ALL EVANS DRUM HEADS ARE DESIGNED, ENGINEERED AND MANUFACTURED IN THE USA.