Item Type: Sharpening stone Material: Ruby Weight: Approx. 971g / 34.3oz Grit: 3000 grits Product Size: Approx. 20 x 5 x 2.5cm / 7.87 x 1.97 x 0.98in 1Dual Sided Design: One side for coarse sharpening to quickly repair dull knives, while the other side for fine sharpening to polish blades and maintain sharpness. 2Excellent Material: Made with high hardness material that is resistant to wear and ensures long lasting use. 3Portable and Compact: Designed for easy carrying and can be used outdoors or in the work scene. Your must have tool for outdoor use. 4Versatile Application: Suitable for various types of knives such as kitchen knives, camping knives, fishing knives, and more. 5Quickly Restore Sharpness: By using this knife sharpening stone, the sharpness of the cutter tool can be quickly restored and the work efficiency can be improved.1 x Whetstone