SPYDERCO ButtonUp, Carbon Fiber/G-10, Button Lock Black 8Cr13MoV Steel C275CFPBK
MODEL NUMBER: C275CFPBK. Designed by Eric Glesser, the ButtonUp™ is Spyderco’s first-ever manual-opening button-lock folder. The blade is housed in a lightweight, easy-to-clean, open-backed handle constructed with smooth carbon fiber/G-10 laminate scales reinforced with nested stainless steel microliners around the pivot and lock.