It"s a natural! The Double Sided Diafold Sharpener offers portable, two-stone sharpening at its best, the Aligner Blade Guide (ABG) provides 7-Angle adjustability for the right edge every time, and the MAG Magnetic Angle Guide joins the two! The Double Sided Diafold Sharpener offers two 4 x 1 Diamond Whetstone surfaces in one lightweight, portable sharpener. Multi-use on blades, kitchen knives, specialty and garden tools, etc. Extra-Fine diamond (9 micron / 1200 mesh) to polish and refine a razor edge after sharpening with a coarser diamond. Fine diamond (25 micron / 600 mesh) for a razor sharp edge. Convenient size: 9 1/2 open. 5 closed. Folding plastic handles protect sharpener when not in use. Both novice and professional will appreciate the ABG to create precise, professional, consistent sharpening results. Accommodate wider blades as well as standard blade thicknesses. Easy-to-follow instructions included. Sharpens in a fraction of the time required by conventional stones. No messy oils neededsharpen dry or with water. Durable construction will provide years of consistent performance and reliable service For proper tool maintenance, woodworkers, chefs and other professionals rely on the superior quality and versatility of DMT products. Made in USA.Product Features:- ABG: 7-Angle adjustability for a professional edge every time can be used for guided sharpening with anybench stone as well- Two sided: Extra-Fine diamond to polish and refine an edge and Fine diamond for a razor sharp edge andPortable, lightweight with convenient fold & go handles, which enclose and protect the DiamondWhetstone when not in use- Sharpens knives and tools faster than conventional stones with DMT"s monocrystalline diamond surface- No oil is needed-sharpen dry or with water- Durable construction will provide years of consistent performance and reliable serviceProduct Package Contents:ABG, MAG, FWEF Double Sided Diafold Sharpener, Instructions and Insert cardProduct Specifications:Length 4.33 inchesWidth .88 inchesHeight .25 inches