Slightly wider reed tip than the Black Master and Black Master Traditional
Their cut is particularly elaborated to suit the characteristics of the German system (Oehler) clarinet mouthpieces.
Matches perfectly with Vandoren W 270 mouthpiece and combines very well with other Austrian mouthpieces.
Outstanding, long-term stability.
Excellent tone quality, flexibility in playing and light response.
Can also match with Boehm system mouthpieces (strengths 2 to 3,5)