DMT Diafold Double Sided Extra Fine/Fine DM. This Knife blade Sharpening System from DMT is a versatile and convenient general-purpose sharpener that delivers two stage sharpening with compact convenience. Two Diamond Whetstone sharpeners are combined to create a lightweight sharpener for all sorts of edges from knives to scissors to axes and more. For an amazing way to make sure your knife is will outperform the rest choose the DMT Diafold Double Sided Extra Fine/Fine. Package Contents: DMT Diafold Double Sided Extra Fine/Fine DMT DMFWEF: Diafold Double Sided Extra Fine/Fine