Buffet Crampon R13 Greenline A Clarinet Body constructed of 95% grenadilla wood and 5% polycarbonate fiber and epoxy resin Withstands extreme temperature and humidity changes Will not crack Hand-burnished bore improves intonation and centers tone Same level of finshing as wooden clarinets Nickel-plated keys Undercut tone holes improve tone and ease of response NOTE: Buffet does not include a mouthpiece with this instrument The Buffet R13 Greenline clarinets are highly popular among military clarinetists or any player who is subjected to extreme conditions Thanks to the addition of carbon fibers, The Buffet Green Line clarinets withstand to variations in atmospheric conditions (temperature, humidity) Complete with case, and all necessary care products The Buffet R13 Greenline A clarinet follows the same manufacturing process as the 100% grenadlla R13s