At 10" long and 4" wide, this DMT® diamond bench stone is the largest diamond bench stone we carry. DuoSharp Plus stones add a 3/4" wide uninterrupted surface to the ends of what would otherwise be a classic 8" DuoSharp bench stone. Made in USA. Engineered to be … 8 in. DMT diamond sharpeners are well-known for their superior quality and versatility. DuoSharp Bench Stone Coarse/Extra-Coarse Handheld Sharpener with Base Innovative, multi-patented DuoSharp Bench Innovative, multi-patented DuoSharp Bench Stone is a precision flat, 2 diamond surfaced sharpener guaranteed to provide consistent, even sharpening every time. counter or bench … 1.800.450.2172 Innovative, precision flat 2-Grit diamond sharpener featuring both interrupted and continuous diamond sharpening. 10 in. DuoSharp plus Bench Stone with non-skid mat provides excellent counter and bench … The uninterrupted surface is for sharpening pointy, or narrow tools. Like the regular DuoSharp… Innovative, multi-patented DuoSharp® Bench Stone is a precision flat, two diamond surfaced sharpener guaranteed to provide consistent, even sharpening every time. The 10 in.