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  • DMT W250CXNB  10-Inch DuoSharp Bench Stone Coarse / Extra-Coarse
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DMT W250CXNB 10-Inch DuoSharp Bench Stone Coarse / Extra-Coarse

87 customer reviews

List Price: $103.95
Price: $102.11 & FREE Shipping. Details
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Coarse / Extra-Coarse
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  • Superior diamond sharpening stones
  • Legendary quality
  • Made in the USA
  • Precision flat, two-diamond surfaced sharpener guaranteed to provide consistent, even sharpening every time
  • Two sided: Coarse diamond to transform a dull edge and Extra-Coarse diamond to repair a damaged edge
  • Sharpens knives faster than conventional stones with DMT's monocrystalline diamond surface
  • No oil is needed-sharpen dry or with water
  • Durable construction will provide years of consistent performance and reliable service
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Frequently Bought Together

DMT W250CXNB  10-Inch DuoSharp Bench Stone Coarse / Extra-Coarse + DMT B8250 DuoSharp DuoBase - bench stone base
Price for both: $118.53

Buy the selected items together

Product Description

Color:Coarse / Extra-Coarse

Product Description

Dmt is recognized as the worldwide leader in Diamond knife sharpeners and sharpening products, with a diverse product line and reputation for quality and innovation. Dmt's patented and award-winning products are known for their superior quality and versatility, are easy to use, and allow for sharpening in a fraction of the time required by other methods. Dmt manufactures a full line of Diamond knife sharpeners and other sharpening tools for use in woodworking, culinary arts, gardening, camping, fishing, hunting, outdoor and winter sports, industrial applications and more.

Amazon.com

The DMT W250CXNB 10-Inch DuoSharp Bench Stone offers the finest in sharpening technology. Doublesided, with both coarse and extra-coarse diamond surfaces, this stone is capable of handling a wide variety of edges with industry-leading precision and accuracy. This innovative stone offers a multi-patented sharpening surface that features a convenient dual-sided design for sharpening. The stone's hard wearing surface and durable design guarantees that it will provide consistent, even sharpening for years to come.

The DMT W250CXNB 10-Inch DuoSharp® Bench Stone offers:
  • A wide monocrystalline diamond sharpening surface for versatility
  • Industry leading precision and accuracy
  • A convenient dual-sided design offering coarse and extra-coarse grits
  • The ability to sharpen dry or with water


Monocrystalline diamond surfaces sharpen faster and more efficiently. View larger.


The versatile 10-Inch DuoSharp® Bench Stone can keep your blade edges at their sharpest for nearly all your home and project applications. View larger.


Click to view all grit sizes available from DMT.
Versatile Sharpening
With the DMT 10-Inch DuoSharp Coarse / Extra-Coarse Bench Stone, edge restoration has never been easier. Use the coarse diamond stone (45 micron / 325 mesh) to quickly and easily restore a neglected edge, or take advantage of the extra-coarse diamond stone (60 micron / 220 mesh) for edges that are significantly damaged. Simply place the DuoSharp Bench Stone on any flat surface, and its non-skid rubber mat will keep it firmly planted during sharpening.

The extra-large diamond surface allows the DuoSharp Bench Stone the ability to sharpen virtually any knife or edged tool, including axes, hatchets, machetes, lawn and garden tools and much more. In fact, the DMT 10-Inch DuoSharp Bench Stone's versatility is seemingly endless.

Its ease of use is equally impressive. You can ditch the messy oils that are required with other sharpeners, and the innovative diamond surface allows you to easily sharpen dry or with water.

Innovative Diamond Surface
DMT's patented DuoSharp surface provides unparalleled performance thanks to its monocrystalline diamond surface, which sharpens faster and more efficiently than other sharpeners. This allows you to spend less time sharpening edges and more time actually using them. DMT uses only the finest materials for their products, and all of their products are made in the USA.

Compact Design
The 10-Inch DuoSharp Bench Stone measures 10 x 4 x 0.38 inches (LxWxH), and it weighs just 1.5 pounds. Its compact and lightweight size make it easy to take anywhere.

About Diamond Machining Technology (DMT)
Since 1976, Diamond Machining Technology (DMT) has been recognized as the leading innovator in diamond sharpening technology. They've pioneered such ground-breaking innovations as the DuoSharp bench stone, the Diamond Whetstone, and the Diafold Magna-Guide Sharpening System--all of which that have revolutionized the diamond knife and tool sharpening industry. Based out of Marlborough, Massachusetts, DMT continues to develop new and exciting diamond sharpening solutions for both consumer and commercial applications.

DMT is committed to developing and producing the world's finest diamond knife and tool sharpeners. DMT takes pride in the fine workmanship of their products, and they only use the highest quality materials in their manufacturing process. All of their products are guaranteed to be free of defects, and any product that doesn't live up to DMT's high standards will be replaced free of charge by the company.

What's in the Box
DMT 10-Inch DuoSharp Bench Stone with coarse grit on one side and extra-coarse grit on the other.

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Product Information

Color: Coarse / Extra-Coarse
Technical Details
Part Number W250CXNB
Item Weight1.4 pounds
Product Dimensions10 x 4 x 0.4 inches
OriginUSA
Item model numberW250CXNB
ColorCoarse / Extra-Coarse
MaterialOther
Item Package Quantity1
Warranty DescriptionProduct is unconditionally guaranteed; any product found to be defective will be replaced free of charge.
  
Additional Information
ASINB00004WFUL
Best Sellers Rank #15,678 in Home Improvement (See top 100)
Shipping Weight1.5 pounds (View shipping rates and policies)
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item is not eligible for international shipping. Learn More
Date First AvailableOctober 2, 2001
  
Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

56 of 57 people found the following review helpful By Jim Krupnik on September 15, 2003
Color: Extra-Fine / Fine Verified Purchase
I have used various stones for sharpening knives for (too) many years. In fact, I have reviewed two of them here on Amazon.com. I stand by my positive reviews of the stones, but this 4x10 diamond stone takes it all to a new level. I wanted to try the latest in whetstones, and this one caught my eye because it is LARGE, and has two grits built in. It is also very expensive.
That being said, using this tool will leave you speechless. It is that good. First of all, it is large enough to handle anything from a penknife to a 10" slicer with full coverage in a single stroke. Every whetstone should be this size. It is also thin, and isn't consumed during sharpening. The non slip pad provided with the stone works like a charm. Water is the only lubricant used, and cleanup is a snap.
Don't be fooled by the "fine" and "extra fine" rating of it's surfaces. The fine side will fix a badly worn kitchen edge in a few strokes. My guess is that the knife will also be better than new when you are done. The extra fine side will turn good steel into a razor in just a few more strokes. After years of taking time and care to acheive a perfect edge with natural and man made stones, this was an epiphany. The job was so easy, and the results so fantastic, that I went on a sharpening binge and turned over 15 well used knives into razors in little more than 30 minutes.
I also bought the Global sharpening guides for a couple of bucks. They are not needed for small knives, or for an experienced pro, but they make the fine edge look very uniform on longer blades. They give the "factory" look with the custom edge.
This is an incredible tool. By the way, when you are done, you just rinse it and put it away. I doesn't get any better than this!
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34 of 34 people found the following review helpful By Timothy N. dePlume on June 22, 2009
Color: Coarse / Extra-Coarse
This large, coarse/extra-coarse (two sides) DMT Duosharp diamond plate is the best instrument I've found for flattening water stones. Either side is coarse enough to flatten the 1000 and 8000-grit stones I use for honing chisels and plane blades.

They are very easy to prepare with just a few squirts of distilled water. (Buy the black plastic base too, by the way. The little rubbery mat they come with is a poor substitute. The base keeps the plate very stable. It also adds some elevation, which makes a world of difference when you're trying to flatten the back of a plane blade or, especially, a chisel without rounding over the edge. It may seem cheap that they don't include the base but... trust me, just buy it.) These plates are also easy to flush, clean and store. These are MUCH better than the big ceramic flattening bricks whose pores get clogged up with gunk, and they're much faster and less messy than aluminum oxide sandpaper.

Also, buy the big 10-inch Duosharp plates, not the smaller versions. If you feel a need to justify the cost, figure out the cost per square inch of cutting surface; regardless, the larger ones are just much more versatile and easier to use.

A few other things I've learned about these plates over the past 10 years or so that I've used them:

1. You CAN wear the diamond grit off trying to do heavy metal removal, such as flattening the sole of a new plane. As always, let the tool do the work and if it doesn't do the work, you may be using the wrong tool.

2. These plates are NOT the best tools for grinding a new bevel, and certainly not for honing a fine edge on your best handtools.
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39 of 40 people found the following review helpful By J. Baker on June 9, 2003
Color: Fine / Coarse
This diamond stone is really useful. After attempting to regrind, then hone some old chisels on a set of waterstones, I had almost ruined the chisels due to the fact that the large amount of grinding that had carved bowls in my stones (which I didn't notice right away).
I purchased this diamond stone to true the water stones and it does a great job, rendering them flat with just a few strokes. The added bonus was that I also used the diamond stone for the first stage of regrinding the chisels; it was much faster than the water stone and stayed flat during the process.
Unless you have a method of securing the diamond stone to your bench, get the available holder, its definitely worth the money.
I did notice a bit of rust forming on the steel substrate after leaving it wet, so I now dry it off after each use.
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26 of 26 people found the following review helpful By S. Allen on July 7, 2006
Color: Extra-Fine / Fine Verified Purchase
I researched quite a bit before buying a stone & a steel and I am glad I did.

Oil Stones? forget em they are messy and not nearly as good as the Japanese water stones they wear down and they are slow.

Have a hardness of around 6.5-7 on the Mohs scale and on good knives that have a Rockwell hardness 56-60 and up to 66 they just dont cut it.

Water stones? these are good do a fine job, need to be soaked in water for a few mins, no mess but a good quality Japanese water stone will cost just as much if not more as this diamond stone and most are single grit, they also wear down rather quickly and become useless until you flatten them back out and what do you flatten them with? A big Diamond stone! or Aluminum oxide sand paper like maybe 120-220 grit glued to a piece of glass, which BTW makes a fairly decent sharpening stone on its own (in finer grits 800-2000) that are better than the oil stones.

These are made of Aluminum Oxide in a resin bond, aluminum oxide has a hardness of 9.2 (Mohs) these work better on good knives. These also need to be dried before storing them or they will deteriorate much quicker.

Ceramic Stones? These are good, dont need to be soaked and wont wear out as fast as regular water stones as they are in a "ceramic bond" instead of resin, these are either aluminum oxide or silicon carbide, the carbide is slightly harder at 9.5

These stones will still wear down just not as fast as the regular resin bond water stones.

Both resin bond and ceramic water stones rarely if ever come larger than 8X3" (I have yet to see one, if they exist they would be even more expensive).
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DMT W250CXNB  10-Inch DuoSharp Bench Stone Coarse / Extra-Coarse
This item: DMT W250CXNB 10-Inch DuoSharp Bench Stone Coarse / Extra-Coarse
Price: $102.11
Ships from and sold by Amazon.com
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