Preowned and used Smith & Wesson CK400 lock blade pocket knife with frame lock and belt clip. Knife is used and has been carried. It has use and carry marks on the frame handle and use and sharpening marks on the blade edge and tip. It measures about 5.25 inches open and about 3 inches closed. Blade is tight and locks securely. Please look at pictures closely and ask any questions you might have. I also invite you to view my other items.