Black Hills Black OTF Knife Double Edge Blade W/Glass Breaker Black Hills Black OTF Knife W/ Glass Breaker Push the swift and beautiful blade out the front via a forced-assisted-action lever and let it charge your spirit with vigor! Assist the blade back in via pushing the same assisted lever again and like magic, the blade swiftly disappears. The two-toned blade is a drop-open point profile with a symmetrical design, with straight blade, and is extremely sharp. The action features a safety to prevent accidentally opening the blade out against an object, which renders the action neutralized. To re-activate the action, push the lever up and pull on the blade and the knife will operate again with the same swift in-out action. The Spear Double Edge Dagger Point OTF Knife also features a tactical glass breaker and pocket clip. SpecificationsOverall Length: 8.5 InchesBlade Length: 3.5 InchesClosed Length: 5. InchesBlade Material: Stainless Steel, Blade Thickness: 3mmSharpness & Functionality: Sharpened, Functional Blade, Double BladeBlade Features: Razor Sharpness, Blood Groove, Double EdgeHandle: Zinc alloy Reinforced Aluminum Housing, Matte Surface, Powder CoatedOther Features: Glass Breaker, Pocket Clip, In-Out ActionBlade Finish: Black Double plain EdgeIncludes: Free Black Nylon Sheath w Belt Loop & Retention