Heart and bevel /Heart and spine :Progressive and flexible with extended sides, while preserving their thickness.
Gradual and softened sides while preserving thickness.
Shoulder /File cut: Natural Bark , Unfiled
Curve scratching /Scraping curve : Streamlined and reduced, delimits in its entirety the heel of the bevel.
A reduced and softer profile which separates the spine from the bark.
Heal thickness/ Bark thickness : 3.2 to 3.3
VIEW ADDITIONAL IMAGES FOR REED STRENGTH COMPARISON CHART