Camillus Knives Machine Linerlock A/O Folding Knife 4in Closed 2.75in Black Carbonitride Titanium Coated 420 SS Blade Black Glass Filled Nylon Handle. 4" closed. 2.75" black Carbonitride Titanium coated 420 stainless blade. Black glass filled nylon handle with carbon fiber inlay. Thumb stud. Pocket clip. Clam packed. Package Contents: Camillus Knives Machine Linerlock Assisted Opening Folding Knife Camillus Knives 19812: Machine Linerlock A/O Folding Knife 4in Closed 2.75in Black Carbonitride Titanium Coated 420 SS Blade Black Glass Filled Nylon Handle With Carbon Fiber Inlay Thumb Stud Pocket Clip Black