Rovner Bass Clarinet Cap # 4

This original Rovner bass clarinet cap is a #4. If fits the following Rovner ligatures: 3R, 3RL, 4R, 4RL, 4RS, SS-3R, SS-3RL, L9, L10, LG-3R, LG-3RL, C-3R, C-3RL, X-2R, X-3R, X-3RL, V-2R, V-3R, V-3RL, VG-3R, VG-3RL