Smith's 3-in-1 Knife Sharpening System-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. Features: Manual Features: Pre-set Carbide Blades Ensure Correct Sharpening Angle Fine Interrupted Surface Diamond Stone Provides Razor Sharp Edge Finishing Specially Shaped Ceramic Rods Provide Multi-Use Sharpening Capabilities Hand Guard for Protection Special Compartment for Rod Storage Sharpening Groove for Hooks and Small Tools Non-Slip Rubber Feet for Safety Stone Size: 4” x 1” x 1/4” Abrasive: Fine Diamond 750 Grit Fine Ceramic 1,500 Grit Coarse Carbides