Specifications: Condition:100% Brand New Material: Oilstone + Natural White Corundum Color: As Pictures Shown Size: 50*25*10mm/2.0*1*0.4in Weight: 46g/1.6oz Package list:  1 * Double Sides Sharpening Stone  Note: 1. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Features High Quality: Sharpening stone is made of oilstone and natural white corundum with high hardness, which is very durable and strong for long-term use. Double Sided: This sharpener stone uses two colours to indicate two different grits, 3000# indicates coarse grinding and 8000# indicates fine grinding, providing more choice for you. Easy to Use: This kitchen sharpener stone with fine texture and high hardness is made of white corundum, which is non-slip and not easy to wear out, making it safe and convenient for sharpening tools. Easy to Store: This knife sharpener is 50*25*10mm compact in size and 46g in weight, which is the right size for easy access to excellent sharpening results and convenient storage when not in use. Wide Application: This knife sharpener can sharpen all kinds of knives, including chef's knives, Japanese knives and other kitchen knives, outdoor knives such as hunting knives and pocket knives, scissors, chisels, blades, hatchets, axes, carving tools and gardening tools.