Product Description Product: Double Sided Knife Sharpener 400/600 Grit Color: Black/Orange Size: 125 x 30 x 16 mm (4.92 x 1.18 x 0.63 inches) Unfolded Length: 9" (open), 4.9" (closed) Material: Titanium Plated Diamond Whetstone + ABS Black Handle Key Features: 1. Double-Sided Sharpening: This portable 5" knife sharpener features a coarse 400 grit side for quick edge setting and an extra fine 600 grit side for honing, ensuring your knives are always sharp and ready for use. 2. Diamond-Electroplated Technology: Experience faster and more efficient sharpening with DMT's monocrystalline diamond surface. No oil is required; sharpen dry or with water for optimal results. 3. Intuitive Design: The honeycomb surface collects metal filings, speeding up the sharpening process. The anti-skid stripe on the handle enhances grip, while the concave and convex design at the handle's tail prevents slippage and protects your fingers. The folding construction safeguards the sharpening stones from damage. 4. Portable & Space-Saving: Compact and functional, this folding sharpener measures just 4.9 inches in length and 1.2 inches in height, making it easy to carry in your pocket or bag. The folding handle adds convenience for on-the-go sharpening. 5. Versatile Applications: Ideal for sharpening Swiss Army knives, metal knives, ceramic knives, scissors, outdoor tools, garden tools, and agricultural tools. A must-have for camping trips and home kitchens alike.