Diamond Sharpening Paddle. Ergonomic comfort grrip, black handle with gray trim, folds for easy carrying and storage. Dual-grit for maximum versatility. 3 1/2" full diamond grit sharpening surface. Medium/Fine grit. Medium side (280 grit) sharpens knives and tools. Fine side (600 grit) to touch up or finish an edge. Hang packaged.