Features 41.55mm barrel Premium-quality grenadilla wood Polycylindrical bore Undercut toneholes Adjustable thumb rest Description Product Description The Buffet R-13 Eb clarinet is used by musicians all over the world and is known for its rich and focused sound, its power in all registers and flexibility. The R13 is suitable for players of all skill levels, for symphony or chamber music, soloists, teachers, those in marching bands, students and amateurs.