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
Silver-plated
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