Double Sided Diamond Whetstone 250mm Coarse / Extra Coarse

<p>W10 Double sided (combination) diamond whetstones will not break, chip, crack, hollow or groove. These ultra precision whetstones are lightweight and have a totally rigid construction. Use water for lubrication no oil, smell or mess and can hone ALL hard materials: carbide, steel, the grits are denoted by a dual coloured circle which is set into one end.</p> <p>Black: Extra Coarse Grade 220, 60 micron<br />Blue: Coarse Grade 325, 45 micron<br />Red: Fine Grade 600, 25 micron<br />Green: Extra Fine Grade 1200, 9 micron</p><p>The Blue side is suitable for general carpentry tools, tinsnips, side cutters, wood bits, garden tools etc. <br />The Black is suitable for damaged woodworking tools, cold chisels, axes, lawn edgers etc.</p> <p>Black: Extra Coarse 220g, 60 micron<br />Blue: Coarse 325g, 45 micron</p>