Zelos - (Zēlos, literally "zeal") In Greek mythology was the spirit that personified dedication, emulation, eager rivalry, envy, jealousy, and zeal. The English word "zeal" is derived from his name. This lightweight automatic folder has a CPM-S45VN blade and precisely machined 6061 aluminum frame that provides a tight lockup in the open position that is rarely found in an auto opener! From its blacked-out hardware to the tip-up or tip-down right-hand carry clip, the Zelos is a true blend of design, technology, and function.