Rovner Alto Saxophone Mouthpiece Cap #4

Fits:

Dark; 3R, 3RL, 4R, 4RL, 4RS

Light; L-3R (L-9), L-3RL (L-10)

MKIII; C-3R, C-3RL

Versa; V-2R, V-3R, V-3RL

Star Series; SS-3RL

LGX; LGX-3R, LGX-3RL

Versa X; X-2R, X-3R, X-3RL

Van Gogh; VG-3R, VG-3RL