Dmt DMT-W250FCNB Double Sided Diamond Whetstone 250Mm Fine / Coarse

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. Black: Extra Coarse Grade 220 60 micronBlue: Coarse Grade 325 45 micronRed: Fine Grade 600 25 micronGreen: Extra Fine Grade 1200 9 micronThe Red side is suitable for sharpening all woodworking tools carbide tooling router bits 3D bits woodworking and 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 micronRed: Fine 600g 25 micronPTDDMTW250FCNB