W10 Double sided (combination) diamond whetstones will not break, chip, crack, hollow or groove. These ultra precision whetstones are lightweight & have a totally rigid construction. Use water for lubrication no oil, smell or mess & can hone ALL hard materials: carbide, steel, the grits are denoted by a dual coloured circle which is set into one end.
Black: Extra Coarse Grade 220, 60 micron
Blue: Coarse Grade 325, 45 micron
Red: Fine Grade 600, 25 micron
Green: Extra Fine Grade 1200, 9 micron
The Red side is suitable for sharpening all woodworking tools, carbide tooling, router bits, 3D bits, woodworking & kitchen knives.
The Blue side is suitable for sharpening general carpentry tools, tin snips, wood flat bits, Stanley knives, masonry drills, chisels, garden tools, fish hooks, darts etc.
Blue: Coarse 325g, 45 micron
Red: Fine 600g, 25 micron