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Every woodworker I know is a fanatic about keeping chisels and plane blades sharp, and I’m no different. Although diamond sharpening stones have been around for years, I’ve stubbornly I relied on Japanese waterstones to keep my edges keen. No more. I received a pair of DuoSharp® bench stones from DMT (Diamond Machining Technology) a few months ago. Now I’m not sure when or if I’ll break out my waterstones again. Here’s what I like about the DuoSharp system:
- Compact. It’s great to have a sharpening system that takes up so little room. With 2 different sharpening grits on each 3/8-in.-thick stone, I’ve got coarse-to-extrafine sharpening capability in a very compact package. The sharpening “kit” I bring to a jobsite includes a pair of 2 1/2-in. X 8-in. DuoSharp stones, DMT’s non-skid vinyl pad and a stick of green honing compound. I rub the compound on a scrap piece of hardwood plywood to get the final razor-sharp edge.
- Sturdy. I’ve had the unfortunate experience of breaking a waterstone when I dropped it accidentally. I know my DMT stones can endure the impact of a concrete floor and plenty more. This ability to take a hit is another reason why the stones travel well.
- Fast. DMT’s diamond technology is impressive. These stones cut quickly, and each grit is very uniform, enabling you to move from coarse to fine honing with surprising speed. The stones can be used dry or wet. Spritzing a stone with water helps to clear the “swarf” when you have a lot of sharpening to do. If I just need to do some touch-up sharpening, I keep the stones dry.
- Low maintenance. I like the way these diamond stones stay flat and retain their sharpening effectiveness for a long time. While I can appreciate the ritual of flattening waterstones frequently to remove hollows, I really like the simplicity and speed of maintaining my diamond stones. I just rinse them off at the sink, scrubbing lightly with an abrasive dishwashing pad. A word of caution: Don’t rest diamond stones in the bottom of the sink because their sharp abrasives will definitely leave scratches. Put down a dishcloth or rag for protection.
- American made. These days, it’s not easy to find tools made in the U.S. I like supporting DMT’s commitment to innovation, quality and manufacturing here in the USA.