The Buck Impact 0898GRS-B is Buck's first automatic knife that engages with the push of a button and includes a safety slice. They are side opening knives. Once the safety switch is moved to the red, you simply push the button. The button lock style keeps the knife locked open and closed to prevent accidental deployment. Made in the USA. This awesome, heavy duty yet light weight knife that weighs just 4.1 ounces and comes with a deep carry tip-up pocket clip. It's overall length is 7.75" with a CPM-S30V 3.125" Drop Point Hollow Grind Blade and the OD Green Aluminum handle features heavy textured rubber inlays to provide a secure grip during heavy use. Closed this knife is 4.625". The perfect Every Day Carry Knife with a Black stonewashed blade.