USMC Linerlock A/O Black/Gray U. 4.75" (12.07cm) closed. 3.5" (8.89cm) black finish 3Cr13 stainless tanto blade. Black and gray FRN handle. Inlay shield. Extended tang. Thumb pull. Glass breaker. Pocket clip. Boxed. Specifications for USMC Linerlock A/O Black/Gray: Manufacturer: USMC Blade Length: 3.5 in Closed Length: 4.75 in Blade Material: 3Cr13 Stainless Steel Knife Application: Everyday Carry Serrated: Plain Overall Length: 21 cm Handle Material: FRN Handle Color: Black Gray Blade Finish: Black Blade Shape: Tanto Blade Grind: Flat Opening Method: Assisted Opening Package Type: Box Color: Black Gray Blade Type: Plain Edge Package Contents: USMC Linerlock A/O Black/Gray