Silicon Carbide 6" x 1" Square File ORMD They are consistent and quick

They are consistent and quick to sharpen with excellent feedback

This kit is called the DMT 10" DuoSharp Diamond Kit

it does have ultra fine abrasive grit

and possibly the hardest to answer

Silicon Carbide 6" x 1" Square File ORMD They are consistent and quickSilicon Carbide Files Silicon carbide file are ideal for fast material removal. Their abrasive nature makes them perfect for quickly performing operations like coarse sharpening, shaping, leveling, or removing burrs after machining. Silicon carbide stones are relatively fast cutting compared to aluminum oxide files, and are often employed when speed is important. Dimensions 6" x 1" Square Available Grits: Fine 280 Grit Medium 180 Grit Coarse 120 Grit