The American made Pentagon OTF automatic knife is designed to meet the exacting demands of users who require a dependable one-handed, fast opening switchblade knife. SOG's Dynamic Lock-up System redefines open reliability and blade lock-up strength in OTF knives, while the CRYO S35VN blade and hard-anodized aluminum handle reinforce the durability of the switchblade. Pentagon OTF delivers reliable OTF technology for professional users who rely on high-end steel and technology. Features: OVERALL LENGTH: 9.08" CLOSED LENGTH: 4.06" BLADE LENGTH: 3.79" BLADE THICKNESS: 0.11" WEIGHT: 6.7 oz BLADE STEEL TYPE: CRYO CPM S35VN BLADE FINISH: Black Titanium Nitride BLADE SHAPE: Spear Point EDGE TYPE: Straight HANDLE MATERIAL: Aluminum HANDLE COLOR: Flat Dark Earth OPENING MECHANISM: OTF Switch LOCKING MECHANISM: Dynamic Locking System COUNTRY OF ORIGIN: USA