Description:13-grits optional. Diamond coated material is more efficient than normal whetstone.Mini sharpener designed. Easy to take for camping and kitchen garden cutter.Made of durable diamond material.The length of the product is about 17cm, and the width is about 7.5cm.Suitable for home, garden, outdoor, fishing accessories, etc.Item Name: Sharpening StoneMaterial: DiamondGrain Size Options: 80, 150, 240, 320, 400, 600, 800, 1000, 1200, 1500, 2000, 2500, 3000 Features: Durable, Thin, Easy to UseSize Details: Size: 17cm x 7.5cm/6.69" x 2.95" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurementPackage Includes:1 x Sharpening Stone