The Spyderco Delica C11PGRE is a smaller version of the Endura. It has a plain edge VG-10 steel blade. The handle is made out of FRN which allows for a secure grip in even the most demanding conditions. The reversible pocket clip allows for easy carry. The knife industry is constantly pushing the envelope searching for, and testing, higher performance blade steels. ZDP189 is rapidly asserting itself as an up-and-coming steel. It’s a powdered metal made by Hitachi that has phenomenal chemistry with 3% carbon. The hardness is around 64Rc and edge retention is exceptional. This solid ZDP-189 steel blade is the hottest, hardest and highest performing steel in the knife industry today. The Delica 4 features a full flat ground ZDP-189 steel blade, a Green FRN Bi-Directional Textured Handle, four-way clip option, screw-together construction, skeletonized steel internal liners, phosphor bronze washers, David Boye Dent, spine jimping, and an enlarged opening hole.