The Spyderco ButtonUp C275CFPBK is Spyderco's first-ever manual-opening button-lock folder featuring a 3.27" modified clip point blade crafted from 8Cr13MoV stainless steel with a full-flat grind for superior edge geometry.Spyderco ButtonUp folding knife model C275CFPBK3.27" blade length with modified clip point design8Cr13MoV stainless steel construction with full-flat grindInnovative button-lock mechanism with ball bearing pivot washersCarbon fiber/G-10 laminate handle scales with stainless steel microlinersReversible hourglass clip for left or right-side tip-up carryLined lanyard tube for fob and lanyard attachmentLightweight open-backed handle design for easy cleaningDesigned by Eric Glesser this folder delivers one of the smoothest and most fidget-friendly actions Spyderco has ever produced making it ideal for everyday carry tactical applications and knife enthusiasts who appreciate premium engineering and innovative lock mechanisms.