Manufactured in the USA, the Pentagon OTF automatic knife is expertly designed to meet the requirements of users in search of a reliable, one-handed, and quick-opening switchblade. SOG's dynamic lock-up system establishes new benchmarks for open reliability and blade lock-up strength among OTF knives. The CRYO S35VN blade and hard-anodized aluminum handle further elevate the switchblade's durability. The Pentagon OTF delivers dependable OTF technology tailored for professional users who prioritize high quality steel and cutting edge technology.