Sabian 61135-4B8CH B8 Center Hammered Triangle - 4"Crafted from heavier gauge B8 bronze, SABIANs Center Hammered Triangles allow for the most projection and clarity of all our triangles. Dense center hammering produces a rich timbre with overtones, rather than a single penetrating pitch. For occasions where a consistency of timbre is required such as a sequence of notes percussionists can play on the un hammered areas of the corners, while the multi surfaced, center hammered area will produce a single