Highlights Economically priced stones Excellent performance and durability Effective for cleaning up scratches and profiling Smooth and soft feel Easy to use with water Description These 1x4 Naniwa stones are high-quality sharpening stones designed for various sharpening tasks. They offer excellent performance, durability, and ease of use. The stones are mounted on aluminium blanks, making them compatible with sharpening systems like KME. With different grit options available, these stones are suitable for initial maintenance, repairs, and transitioning from coarser grits to finer ones. They provide a smooth and refined edge, allowing you to achieve desired sharpness for your blades. Details Size: 1"x 4" Thickness: 5-6mm Material: Aluminium Oxide Use: Water only Soaking time: 1-2 minutes Storage: Air dry and store dry Specifications Stone Grit Best Use 1x4 Naniwa 220 220 grit Major repairs, profiling, and transitioning from coarser grits 1x4 KME Naniwa 320 Pro 320 grit Profiling, repairs, and initial maintenance 1x4 Naniwa 600 Grit "Bubble Gum" 600 grit Profiling, repairs, and initial maintenance 1x4 Naniwa 1K Goken Pro 1000 grit Edge profiling, repairs, and maintenance 1x4 Naniwa 1K "Chocolate Bar" 1000 grit Edge profiling, repairs, and maintenance Product Inclusions 1x 1x4 Naniwa 220 Grit Stone 1x 1x4 KME Naniwa 320 Pro Stone 1x 1x4 Naniwa 600 Grit "Bubble Gum" Stone 1x 1x4 Naniwa 1K Goken Pro Stone 1x 1x4 Naniwa 1K "Chocolate Bar" Stone