The Benchmade 9600BK Rukus II Automatic Opening Knife Black Plain Edge Blade. This Rukus II model is mad with a black finished CPM-S30V steel blade with a plain edge and a black anodized aluminum handle. Benchmade has a push-button to open the knife with a sliding lock on the spine for safety. The black anodized 6061-T6 aluminum handles have a diagonal milled texture for a high performance grip. A reversible tip-up pocket clip rounds out the versatile tactical design.