... Details:white boxDelivery Detail:in 20 daysDiamond Sharpening Whetstone with suction, mainly used for sharpening metal, ... etc.Specification: 2'*6', Diamond Grain: 150#, 250#, 400#Using guide: the diamond whetstone can adhere on the ceramic ... Trading Co, Ltd, specializes in manufacturing Diamond Knife Sharpener, Diamond Mesh Sharpener, Electroplated Diamond Saw Blades, Bush Hammering Wheels , ...