Spyderco Sage 5 CPM Rex 121 NW-19 Function never yields to form

Function never yields to form

among the hardest known compounds

which renders its timeless design with modern screw-together construction

thanks to the Trademark Round Hole in their blades

this 111 millimeter pocket knife can easily stand up to whatever you throw at it

Spyderco Sage 5 CPM Rex 121 NW-19 Function never yields to formCrucible Industries CPM REX 121 is a high vanadium, cobalt bearing tool steel designed to offer the greatest wear resistance, attainable hardness, and red hardness available in a high speed steel. Created to bridge the performance gap between high alloy tool steels and carbide materials in demanding industrial applications, when applied to knife blades, it offers extreme hardness and unequalled edge retention. This unique expression of the popular