With over 30 years of triangle innovation and manufacturing experience, Per Del brings you the Symphonic Gold Series instruments. High carbon content steel in a 5/8" diameter bent to comfortable playing angles and finished with Genuine 24 Karat Gold Plating. The ends of the Symphonic series are lathed in 4 different patterns that each produce different and unique overtone responses. Expressly made for live performance, effectively designed for studio work.