Sage 5 Cobalt Blue G-10 CPM Spy27 PlainEdgeSpyderco Sage 5 with Compression Lock for secure performance Blade made from CPM SPY27 for toughness and corrosion resistance Full flat ground blade with stainless steel liners for durability Reversible deep pocket wire clip for versatile carry options Cobalt blue G10 scales add a distinct look to the design Spydercos Sage Series was created to showcase folding knife lock mechanisms and their inventors. One of its most successful members, the Sage 5,