Marcus Bonna Replacement Backpack Strap - Sold individually Featured Adjustable A♭-B♭ trill key

Adjustable A♭-B♭ trill key

Brass --- resonant and bright sound

Chiarugi Mandrel #5 - this mandrel has a hardwood handle

Low G resonance key

The result is an instrument with striking response and balance

Marcus Bonna Replacement Backpack Strap - Sold individually Featured Adjustable A♭-B♭ trill keyReplacement backpack strap. Made for Marcus Bonna standard and compact cases. Straps sold individually order 2 for a set. Please note: small design elements like strap clasps and logo medallions are upgraded and changed at the manufacturers discretion and may not be as pictured. If you have any questions, please give us a call at 612 331 4717.