The Tonareli instrument case strap is all new with stronger hardware. This is a high quality strap for your instrument case. Buy two straps and carry your case like a backpack. This full-featured strap adjusts up to 41 inches (or 104cm), has two locking carabiners, a pad that is fixed on one end of strap, and includes a safety backup wire to prevent accidentally disconnecting from your case. This strap works great with an instrument case, computer bag, camera bag, duffel bag, etc.