Grabner K13 (1.02mm) Zinner Blank Bb Clarinet Mouthpiece
Older Walter Grabner Bb Clarinet Mouthpiece. Marked K13 and tip opening measures 1.02mm. Made from a Zinner hard rubber blank. If you are a fan of Grabner hard rubber pieces, these are no longer available. Excellent, near new condition. Includes original packaging.