The Gatco DCS Tungsten Carbide and Diamond Sharpener provides complete sharpening in a field setting. DCS stands for "Diamond, Carbide Sharpener" and allows lightning fast resharpening of all knife blades including serrated blades. The twin carbide sharpening blades will restore a sharp cutting edge in 3 to 4 strokes. The tapered diamond serration sharpening rod restores a factory perfect edge to all serrated blades. When not in use, the diamond rod stores in the sharpener handle. The DCS is precision machined from 6061-T6 aircraft aluminum with a knurled handle for a sure grip.