13" Coated Drumhead B13G2 Evans G2 Coated is one of the most popular drumheads on the market, featuring two plies of 7mil film that provide a high level of consistency and durability. The perfect blend of depth, sustain, and attack makes small toms sing and floor toms growl. This drumhead incorporates Evans Level 360 Technology for ease of tuning, extended pitch range, and optimum quality of sound.