The Hydra by Heretic Knives is a powerful single-action OTF automatic knife built with a unique swiveling button safety for worry-free pocket carry. This model features a black CPM-S35VN stainless steel blade with grooved jimping along the spine. Its black aluminum handle is comfortably contoured and textured for secure use. After firing, just push the button and pull down on the lanyard to reload the spring. The knife comes complete with a black double-pronged pocket clip. Features: Unstoppable single-action blade deployment at the press of a button. Lightweight, contoured aluminum handle for comfortable EDC. Swivel button safety and secure double-pronged pocket clip allow convenient pocket carry.