Spyderco Sage 5 - Gray Lightweight Handle - Maxamet - C123PGYCarpenter Technologys Micro Melt Maxamet is an extraordinary tool steel that was specially formulated to roll red hot steel billets in Carpenters steel mills. Spyderco is the only knife company to have mastered this demanding material well enough to feature it prominently in our production knives. The latest addition to our elite Maxamet family is this Sage 5 Lightweight. It showcases this incredibly hard, ultra tough material in its full flat ground