Most of the Retros blade is fine edged with 1/3 of it being serrated. Cutting tests reveal this blade stays sharp after repeated abusive slicing sessions. It can be deployed manually, or as an automatic knife. The finish is glossy and a pleasure to grasp. The black background has metallic green splattering over it, blending the knifes style and design. On the back of the handle is a pocket clip. You can feel the quality by simply holding it. Overall Length: 8.25 Inches. Blade Length: 3.34 Inches. Blade: Drop Point, Partially Serrated, Black Finish. Blade Thickness: 2.75mm. Sharpness: Very Sharp. Handle: Aluminum, Glossy Black Metallic Green. Deployment: Manual Automatic Hidden Release. Features: Heavy Duty Construction & Convenient.