Four diamond grit guided sharpening in a sturdy carry case! The Magna-Guide kit offers portable sharpening using 2 Double Sided Diafold sharpeners. 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. Use precision guided sharpening on blades and knives; use the Diafold alone on a variety of edges in the home, shop and garden. Extra-Extra Fine (3 micron / 8000 mesh) provides the finest polished edge of all bonded diamond abrasives. 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. Coarse diamond (45 micron / 325 mesh) to quickly restore a neglected 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, Accommodates different spine widths 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 needed sharpen 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.