Double Sided Diamond Whetstone 200mm Extra Fine / Coarse

<p>W8 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 green side (Extra Fine) is suitable for general carpenters tools, wood flat bits, auger bits, garden tools, darts, fish hooks, masonry drills etc.<br />The blue side (Coarse) is suitable for knives, woodworking tools, T/C tooling etc.</p> <p>Blue: Coarse 325g, 45 micron<br />Green: Extra Fine 1200g, 9 micron</p>