The Slam SDH-RCL-18BD 18″ Ringer Clear Head is a single ply head with a control ring on the outer edge of the head. Fat low tone with controlled mid overtones, slight mid decay. Head thickness 0.188mm + 0.125mm Slam drumheads are constructed from Mylar. This is the most common material used in modern drum head design. Slam carry a large range of drumheads that will suit any style or genre of music from Pop, rock, funk, fusion or heavy metal. Whether in a coated, clear or hydraulic finish they offer a suitable head for all playing situations. Slam drumheads are durable enough to take a pounding gig after gig while still holding their tuning and tonality. Available either individually or as a set. “BUILT TO BASH” Slam offers a high quality and affordable product without compromising tone and durability.