Usage Tips:Double side design Portable Diamond Folding 5 Inch Sharpener 400/600 Grit has a coarse side and a fine side. Coarse 400 grit (38 Micrometres) for quick edge setting; extra fine 600 grit (23 Micrometres) for honing. Diamond whetstone and ABS handle are non-slip and . The honeycombed, intermittent sharpening sides allow you to sharpen your knife faster by collecting built-up metal shavings. The are on the handle, which can play an important anti-slip role. The concave-convex design at of the handle prevents the handle from being dislocated during use and avoids pinching your fingers. The scalloped and folded construction provides great protection for the stones from damage. The folding sharpening tool is small but powerful. It fits perfectly in your pockets and bags. [WIDE APPLICATION] Metal knives, ceramic knives, scissors, outdoor tools, garden tools, farming tools. A must have for your camping or home kitchen. Colour:orange Material:Diamond+Plastic Size:about 125x30x15mm Package Contents: 1 x Double Sided Diamond Sharpener Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.