Having sharp blades improve precise and accurate cuts when working on survival projects. The Lansky® QuadSharp Multi Angle is a versatile 4-angle sharpener tough enough to take on any job. This charpener features carbide rods and a ceramic bench stone to not only sharpen but polish and restore blades. Plain or serrated blades will find a sharp edge in 3-4 strokes. Keep your blades in pristine working condition with this multi-angle sharpener.