Material: SICPackaging: Blister card packagingWeight: 390 gSpecifications: LWH 15 * 5 * 2CMFunction: tool edge with Dayton， you can quickly restore the sharpness after use.Step Brothers:1. First soaked in water for 15 minutes Whetstone2. In accordance with the order of the fine after the first rough sharpening3. Do not throw away the pulp from the pulp scraped mud， Whey can have worn more sharpFeatures:Preferably the most suitable grinding edged natural stone， finely processed and refined. When the tool with a blunt， with fast grinding edge， to achieve the effect of sharp. The grindstone for grinding a variety of edged blade use. With non-slip rubber base， the whetstone can be removed wash， easy to use.