Description: Features: Specially designed Diamond-shaped grid pattern of the grooves quickly and efficiently removes only waste material while flattening any type of sharpening stones, whetstones, Oil Stones or Ceramic Stones. Large Flattening Stone- Dual Grit Coarse/Fine Sharpening Diamond precision cut grooves that are specially designed to collect material removed from your whetstone. This unique groove feature provides a much more accurate leveling process. Large Flattening Stone- Dual Grit Coarse/Fine Sharpening Stones Flattener Keeping Your Sharpening Stone In Optimal Condition It's essential to maintain a flat and level whetstone or waterstone to be able to evenly sharpen your knives to achieve for peak performance. The dual grit surface of our flattening stone is designed to accurately repair and level your whetstone in a short period of for time. Specification: colour:black Material:Silicon carbide size:18*6CM Package Contents: 1 * Sharpening Stones Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.