The first thing you will notice is how free the reed becomes. The difference can also be seen in laboratory comparison tests that clearly show the much more defined harmonic partials present which helps produce a richer, fuller sound. 6 chords - Adding one more round of cord, the ligature increases resistance of reed vibration, which helps artists make precise tonal control with powerful projection and focus. The Hexa has 4 of the new type 'fine tuners'. This enhanced fine tuner has 6 cord slots. The additional length and mass increases stability and functionality. With handcrafted crystal decoration, it is plated with same material as the main body All Silverstein ligatures come with an OmniCap made from high grade silicon. It is small enough to fit in a narrow case, secures and protects delicate mouthpiece tip and reed, protects mouthpiece rail, preserves reed moisture, is easily washable and best of all makes no sound when dropped. All 2019 model ligatures are resizable. You can easily adjust ligature size with a standard 1.5mm hex wrench. Now, you don't need to worry if you get a new mouthpiece.