Yamaha Concert Snare Drum CSS1465ASteel Shells Steel shells are used for their sharp attack and clear sound. Shell Depth The lineup includes two shell sizes: the 5 inch CSS 1450A, and the 6 1 2 inch CSS 1465A. Coil Snares Coil snares that produce a bright sound have been used in the CSS A Series. Coil snares also sustain longer than straight snares, making it easier to play even sounding rolls and generally providing easier playability for beginners. Q Type Strainer The Q type