The Ultra-Tek Blade Sharpener is the easiest way to keep any Kershaw blade sharp. The Ultra-Tek is a compact sharpening steel, for quick and easy blade touch up, anywhere, anytime. The Ultra-Tek handle is made of anodized aircraft aluminum and features a knurled pattern for strong gripping power. Stored inside the handle is a 600-grit, diamond-coated oval shaft, …