For the N°12 saw: Steel with a high carbon content with anti-corrosion coating: Very good cutting For the N°08 gardening knife, the N°08 grafting billhook: Sandvik stainless steel: Serviceability, Corrosion-proof Beech handle, colored varnish Sandvik 12C27 modified stainless steel. It is anti-corrosive thanks to the addition of chrome and requires no special maintenance. Its carbon content of at least 0.40% gives excellent cutting edge. Handle Coming from French forests, this white wood with few veins is ideal for applying color. The handle is varnished to be protected against moisture and dirt. Safety ring Invented by Marcel Opinel in 1955, the Virobloc safety ring is fitted to all folding knives from the N° 06. Cut out of stainless steel, the Virobloc has two sections, one fixed and one sliding. In addition to locking the blade open (safety in use), it is now possible to lock the blade closed (safety in transport).