Select Jazz reeds feature the thickest spine and blank of D'Addario's jazz reeds, with a traditional tip shape. The Select Jazz cut offers great projection, focus, and a vibrant sound. These are the unfiled model. Offered in third strengths, rather than half strengths, so players can choose the most precise strength for their individual equipment. Dig it! • MFSKU RRS05TSX3S • UPC 046716202239