0331b721_0Cl_Silver___Musician_s_Friend__Shank
[Model] 5CL [Cup Diameter] 25.83mm [Description] Bright, clear and distinct sound; easy top register and improves endurance [Shank] 
Large
L a r g e
S m a l l
UMI Christian Lindberg Series Trombone Mouthpiece 10Cl Silver | Musician's Friend
Shank