Zildjian Rock Dip, DIP® Series, LENGTH: 16 5/8, DIAMETER: 0.635, FINISH: Natural, WOOD TYPE: Hickory, TIP TYPE: Wood, TIP SHAPE: Barrel, Added length and a fat tip for maximum power, weight and durability. The DIP material is a special coating that is applied to the grip area of the stick to provide a comfortable, slightly tacky gripping surface. This allows drummers to loosen their grip and relax their hands more, particularly in sweaty playing situations.