Buffet Crampon Chadash Bb-Clarin. Barrel 64mm, Boehm Bb Clarinet Barrel@+This barrel has an invert tapered bore. This gives the clarinet a pure and focussed sound that does not get thinner in the high registers.@+@+, 64 mm, Made of grenadilla wood (Dalbergia melanoxylon), With silver-plated rings, Made by Mr. Chadash in USA