Lightweight, compact, practical, very suitable for outdoor activities.It is easy, effective and sharpening and polishing.Material: Titanium plated diamond whetstone and black ABS handle.Size: diamond sharpening stone: 4 x 0.8 x 0.2 inch; folding length: 5 inches; spread length: 8.9 inches.Designed for kitchen knives, scissors, garden tools and outdoor edged cutting tools.Material: Titanium Plated Diamond Sharpening Stone + Black ABS HandleArea of application: Kitchen knives, outer edge cutting tools, Garden toolsNumber of grits: 400, 600400 grains for coarse grind, 600 grains for fine grindBroadcast Size: 8.9 x 1.2 x 0.6 inchFolding size: 5 x 1.2 x 0.6 inches