This compact knife sharpener combines diamond and ceramic surfaces for complete edge refinement. One end uses a 400-grit diamond abrasive to restore dull blades efficiently, while the opposite end features a smooth ceramic surface that polishes and refines the edge without removing excess material. Its multi-angle base provides 4 fixed sharpening angles 12°, 15°, 20°, and 25° enabling precise customization based on blade type and intended use. Lower angles suit fine-edged Japanese knives and delicate slicing tasks, while higher angles support heavier-duty kitchen or outdoor cutting tools. The rolling action allows consistent, controlled motion along the blade length, reducing user fatigue compared to manual stones. It works effectively on stainless steel, high-carbon steel, and laminated blades without requiring oil or water. The tool requires no setup or calibration and maintains angle consistency throughout each pass. Its solid base stays stable on countertops during use and stores compactly when not in use.