Double-sided whetstone with diamond sharpening plate. High quality plastic base with non-slip feet. Sharpens most kinds of knives, tools and blades. Easy to transport and store. Coarse side 400 and fine side 1000 grit. Size 90 x 180 x 34mm. Double-sided whetstone with diamond sharpening plate. High quality plastic base with non-slip feet. Sharpens most kinds of knives, tools and blades. Easy to transport and store. Coarse side 400 and fine side 1000 grit. Size 90 x 180 x 34mm.