USMC Linerlock A/O Black U. 4.5" (11.43cm) closed. 3.5" (8.89cm) two-tone finish 3Cr13 stainless modified tanto blade. Black nylon handle. Extended tang. Glass breaker. Pocket clip. Boxed. Specifications for USMC Linerlock A/O Black USMA3005BK: Manufacturer: USMC Blade Length: 3.5 in Closed Length: 4.75 in Blade Material: 3Cr13 Stainless Steel Knife Application: Folding Blade Tactical Everyday Carry Pocket Knife Serrated: Partially Serrated Overall Length: 8.25 in Handle Material: Nylon Handle Color: Black Handle Finish: Textured Blade Finish: Two-Tone Blade Shape: Tanto Opening Method: Flipper Assisted Opening Color: Black Blade Type: Partially Serrated Package Contents: USMC Linerlock A/O Black