Pentagon Otf – BlackoutThe American made Pentagon OTF is designed to meet the exacting demands of users who require a dependable one handed, fast opening 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 knife. Pentagon OTF delivers reliable OTF technology for professional users who rely on high end steel and technology. Part #