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- Available in diamond, oiled and dry models, these tools are used to sharpen various blades of cutting tools.
- Diamond whetstones sharpen using the diamond dust from the stone.
- Oil stones must be oiled to avoid accumulation of the metal particles from the tools being sharpened. To oil the stone, put a drop or two or lightweight household oil on the stone before each use. Also, new stones should be soaked in a bath of oil for several days before use.
- Flat whetstones are the most common type of oil stones with both a smooth side and a coarse side for various sharpening requirements.
- Drystones wear out much faster than oil stones because the stone’s surface crumbles away when sharpening.
- Be sure to study manufacturer literature to recommend proper stones for different types of blades.