EdgeSport Series. 12″ x 6 1/8″ x 5″ base. Black composition housing with black non-slip rubber feet. SmartSharp features. 8″ x 2 1/2″ coarse and fine diamond stones and natural arkansas finishing stone. 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. Non-petroleum based honing solution. Angle guide. Sharpens knives and tools.