Drum head for tom tom and floor tom drums from Evans Black Chrome series. Evans Black Chrome batter heads are the ultimate in depth of sound. Featuring a two-ply combination of a 7 mil clear top and a 7,5 mil black bottom, the Evans Black Chrome series has a robust tone with accentuated mid-to-low frequency response. With extreme durability and clarity of sound, these heads are ideal for the heaviest of hitters.