Smith's Sharpeners Diamond Sharpening Bench StoneEdgeSport Series. 11 1 2" x 2 1 2". Fine, 750 grit. SmarSharp features. Color: Orange. Black composition housing with black non slip rubber feet. Interrupted surface speeds sharpening. Features Micro Tool Sharpening Pad this area allows you to sharpen those small tools and instruments that require an uninterrupted sharpening surface. Two holes in the bottom of the base allow you to easily remove your stone so that you can sharpen router and special