The 4 in 1 knife sharpening kit is designed slim, lightweight and easily pocketable. It is your perfect outdoor partner to carry with! Features with a foldable, tapered round diamond coated rod for sharpening serrated and standard edges. The carbide blades provide quick edge setting for dull knives, blades are designed for use on straight edges only. Ceramic stones provide a smooth, polished edge for already sharp knives and can be used on serrated or standard blades. With lanyard hole, ideal for backpackers, hikers, hunters or fishermen who want to ensure their blades have the sharpest edge. Color: Black Size: 3.15"*1.06"*0.4"