Fitted with "Queens" Ebony wood mouthpiece, trimmed with acacia blackwood and bunya pine. The ebony wood mouthpieces have Tristan’s exclusive inner lip design for both comfortability and adjustability to open mouthpiece size up to 35mm if preferred. Initial standard made size comes at 30mm 
 
note *** sits slightly high of D, so in cooler climate it will sit perfect in D in warmer climate it may creep upwards of D a little , however is an exceptionally nice smooth crisp player with lovely tone and pressure.