Thick, Solid, and Large Whetstone: Made of professional-grade white corundum, ideal for larger chef’s knives and providing ample working surface for knives of all sizes. Edges and corners are clearly defined. 2-Grit Sides for Optimal Sharpening: - 400-grit side offers efficient metal removal and prepares the edge for finer sharpening stages. - 1000-grit side refines the edge to a smooth, frosted finish with sharpness comparable to most factory edges on knives and tools. Suitable for a Wide Range of Tools: Kitchen knives, hunting knives, kitchen shears, pocket knives, chef knives, boning knives, straight-edge knives, precision tools, garden tools, and other cutting instruments. Not intended for serrated or ceramic knives. Non-Slip Silicone Base: Provides secure grip and stability during use, preventing movement on flat surfaces. 1000-Grit Side: A versatile, all-purpose grit suitable for routine maintenance and final sharpening of kitchen knives. Fine enough for regular touch-ups yet effective on moderately dull edges. Commonly used as the finishing stage for many kitchen knives. 400-Grit Side: Designed for reshaping and repairing significantly dulled or damaged edges. Use after coarser grits to establish a solid foundation before refining. Usage Instructions: 1. Soak the whetstone in water for 5 minutes before use. Place it on a stable, flat surface. 2. Begin with the 1000-grit side at a 10–30 degree angle. Apply light, consistent pressure while moving the blade across the stone in controlled strokes. Continue for approximately 15 minutes. 3. Switch to the 400-grit side for fine-tuning and edge refinement. Maintain the same angle and technique for about 10 minutes. 4. Rinse the stone with water after use, wipe clean with a damp cloth, and air-dry thoroughly.