General description This is a double-sided diamond whetstone designed for sharpening various tools and blades. It features two different grit surfaces for versatile use, ensuring precise and efficient sharpening. Technical specifications Dimensions: 20 x 6.6 centimeters Grit surfaces: Fine (600g, 25 micron) and Extra Fine (1200g, 9 micron) Material: Diamond Color-coded grits: Red (Fine), Green (Extra Fine) Compatibility and accessories Suitable for sharpening quality knives, woodworking tools, carbide tools, router bits, 3D bits, and other hard materials Includes a non-slip rubber mat for stability during sharpening Installation Use water as a lubricant during sharpening; no oil or messy substances needed Place the whetstone on the included non-slip mat for safety and stability Usage Sharpen blades by moving them across the grit surfaces with water lubrication Use the coarse side for initial sharpening and the fine side for honing and finishing Other information Durable construction