Lightly played Grabner HiTech series mouthpiece for the contrabass clarinet, serial number 354. This piece shows light typical wear from nominal use, but no major wear to speak of. Only light cosmetic scratching on the table and around its body, but no nicks/dings and the tip and rails are in perfect shape. The piece is stamped a CB1M and measures .100”, or 2.54mm. The mouthpiece comes with a matching Rovner dark series ligature and cap and is in its original box.