Correction mechanism for better intonation of middle and high C#
Adjustable concentric 3-point S-bow bore
Smaller diameter of Bb and Bb-cup keys
Adjustable S-bow sleeve made of nickel silver
Directly coupled driver for right hand F#/F
Octave mechanism with Teflon bearings
Mechanism for little finger and left hand with new joint lever
Leather pad with special resonators without rivets
Metal thumb rest
Dark gold lacquer with Supreme engraving
Incl. Supreme case with backpack set, Selmer “Concept” mouthpiece (with ligature and capsule), microfibre cloth, neck strap and pull-through wiper for S-bow and body