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Japanese Combination Waterstone - 800/4000

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Japanese Combination Waterstone - 800/4000

Rutlands    Part No. JP1412
The 800/4000 combination stone is a perfect choice when sharpening and honing very hard tool steels. A more abrasive option to the 1000/6000 grit combination stone, this stone will rapidly restore a blunt edge to a sharp one with the 800 grit side and polish to a razor finish with the 4000 grit side. With two different grit sizes in one double sided stone, combination waterstones are an excellent, cost effective way of owning a range of stones.

Made from abrasive particles suspended in a soft bonding compound, this stone is supplied with a stone stand. Dimensions:185 x 63 x 25mm Unlike other synthetic sharpening stones which consist of a single abrading agent, these Japanese water stones consist of aluminium oxide, carbide and nitride particles fused together. This blend is then mixed with a clay like bonder and baked at high temperatures to form the sharpening stone.

The resultant stone is soft but sharpens very quickly. The soft bonding clay allows the abrasive particles to release very easily when the stone is soaked in water. This gives the user a constant supply of fresh cutting surfaces with which to grind, sharpen and hone their tools. Man has been sharpening edge tools with stones for thousands of years.

Until very recently, the stones used were mined or quarried in specific parts of the world where the local stone exhibited all the necessary qualities required of a good sharpening stone, including and most importantly a consistent grit size. With the introduction of new technologies, it was possible to create synthetic sharpening stones with specific grit sizes using a mixture of abrasive compounds suspended in a soft bonding material.

As the supply of the premium quality natural stone has become depleted and almost exhausted, man made sharpening stones have have become more popular. Now favoured by many over the natural stones, when you purchase a synthetic Japanese sharpening stone you are guaranteed a stone with a uniform grit size that will produce consistent, high quality results when sharpening and will not vary in quality from stone to stone.

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41.95 inc vat GBP
4.333 3 5
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  • review score 4.333
      Reviews (3)
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  • Brand Rutlands
    Country of Origin Japan
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  • Rating: review score 5
    Written By: Dillon Cook
    I feel I have more control with sharpening on waterstones, able to get a better feel for the wanted bevel and not over sharpen. It may perhaps take more time than an electric sharpener, but if you want a good edge then you must be willing to take the time to maintain it
  • Rating: review score 3
    Written By: Amy Collins
    Received this stone but unfortunately it looked like someone has jumped on it as was smashed to pieces. Emailed Rutlands and they quickly got a replacement sent out, which luckily arrived intact. Wish couriers would realise that care is needed when delivering parcels which we have spent good money on
  • Rating: review score 5
    Written By: G Thomas
    Great stone to use. The 800 grit is ideal for blades that ar a little too blunt to use a finer stone on. The 4000 grit gives a nice, sharp edge to get you back to work. Great value for money also.
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