The SOG's Pentagon Blackout Automatic OTF Knife has a Double Edge Spear Point CRYO S36 VN Dagger Blade and a hard-anodized aluminum handle with an over-sized open/close button that allows for multiple interface points that allows for rapid opening and closing even while under duress. It has a dynamic locking system that holds the blade firmly in place with a secure, reliable, rattle-free lock-up. It's overall open length is 9.08" with a blade length of 3.79", closed 4.06" and weighs in at 6.7 oz. and has a blade finish of Black Titanium Nitride. Made in the USA. https://youtu.be/sFCwrY2F_7w