The DMT 250mm Coarse/Extra Coarse Double Sided Sharpening Diamond Whetstone is specifically designed for heavy-duty restoration and general workshop sharpening tasks. This combination features a Blue Coarse side (325 grit, 45 micron) paired with a Black Extra Coarse side (220 grit, 60 micron), making it ideal for tackling damaged tools and maintaining everyday workshop equipment. The Blue Coarse side excels at sharpening general carpentry tools, tinsnips, side cutters, wood bits, garden tools and similar implements, providing an excellent all-purpose sharpening surface. The Black Extra Coarse side is perfect for more demanding applications such as restoring damaged woodworking tools, cold chisels, axes, lawn edgers and other heavily worn cutting edges. Features and Benefits: • Black Extra Coarse side (220 grit, 60 micron) for damaged tool restoration • Blue Coarse side (325 grit, 45 micron) for general workshop sharpening • Water lubrication eliminates oil mess and odours • Rigid construction ensures flat, precise sharpening surface • Colour-coded circles for instant grit identification • Suitable for carbide and steel tools Specifications: Whetstone Type: Standard Grit Type: Coarse/Extra Coarse Length (mm): 250