In Stock. 45 Day Lowest Price - 100% Satisfaction Guarantee. Prestige RC clarinet, Bb, designed by Robert Carree of with special inside bell shape for better sound emission, 18 silver plated keys and 6 rings, auxiliary Eb lever, undercut tone holes, metal tenon caps, GORE-TEX pads, adjustable thumb rest, deluxe naugahyde covered wood shell case with plush interior. Bore diameter: 14.64mm (.5765in). 66/65mm barrels.