Smith’s 3-in-1 Sharpener can handle all of your sharpening needs. It features pre-aligned carbide blades, which are reversible and replaceable, for quick edge setting capabilities. The Fine 750-grit Interrupted Surface Diamond Stone provides a quick razor sharp edge on any knife or tool. A pair of specially shaped teardrop ceramic rods provide multi-use sharpening capabilities, everything from standard to serrated edges along with hooks and tools. The protective storage lid also serves as a hand guard, and the ceramic rods fit securely into a compartment in the bottom of the base for safe and easy storage.Fine Interrupted Surface Diamond Stone Provides Razor Sharp Edge FinishingSpecially Shaped Ceramic Rods Provide Multi-Use Sharpening CapabilitiesSpecial Compartment for Rod StorageStone Size: 4 x 1 x 1/4Features coarse carbides, fine diamond 750 Grit, and fine ceramic 800 gritWARNING: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.p65warnings.ca.gov