Ceramic Sharpening Rod - BlackThese Ceramic rods from Fallkniven are a great addition to your knife roll. Great for maintaining the edge on your knives. Materials: Black Ceramic with POM handle Dimensions: 16 1 8" overall. 10 3 4" Use and Care: Use about every other time you use your kitchen knives. 6 8 strokes per side of your knife. Wipe with damp rag on occasion to remove the build up on knife steel on the rod.