Designed by Jim Hammond in Birmingham, AlabamaParticle. Separation. Device.Break it down to brass tacks: the P.S.D. is made to slice. This everyday carry folding knifes blade is designed with a full recurve and a highly efficient double grind. And, with Assisted Opening, it shows up to work in the blink of an eye.\r\n\r\nAssisted Opening: Flipper deploys the blade fast\r\nSmooth Opening: IKBS ball bearing pivot deploys the blade smooth\r\nEasy To Sharpen: High carbon stainless steel blade takes an edge well\r\nHigh Tech: G10 handle with carbon fiber layer is strong and lightweight\r\nEasy Closing: Liner Lock can be easily closed with one hand\r\nLow Profile: Pocket clip provides secure carry\r\nVisual Appeal: Blue backspacer and accents\r\n\r\nSpecifications\r\n\r\nBlade Length 3.63\