2000/5000 combined sharpening stone, RISAM RW252
Code: RI-RW252
Kombinovaný brusný kámen RISAM JIS #2000/#5000
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2000/5000 combined sharpening stone, RISAM RW252

Code: RI-RW252

High quality Risam combination water grinding stone with very fast grinding and polishing effect. The stone is made of synthetic Corundum (aluminium oxide). The grinding stone is supplied with a rubber non-slip pad. Roughness JIS #2000/#5000. Dimensions 180x60x28 mm.

Detailed information

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€34,22 €28,28 excl. VAT

Product detailed description

Combination water grinding stone RISAM JIS #2000/#5000

large size for large use

The Japanese RISAM sharpening stone will breathe new life into your knives. For an affordable price, your kitchen, cooking and hunting knives will get the sharpness you've always dreamed of. They will be much sharper than when you bought the knives. Even the best knife made from the best materials will lose its original sharpness over time. Therefore, it is necessary to sharpen the knives from time to time and keep them sharp. Using the right technique and grindstones or whetstones from Dellinger will make this task easy.

RISAM grinding stones are made of high quality aluminium oxide (corundum). This material is extremely durable and sharpens to the maximum possible level. You can test the versatility of this sharpening stone not only on knives, but you can sharpen scissors, axes, razors, chisels, pocket and hunting knives. Synthetic abrasive stones are generally made of aluminum oxide. This is the same abrasive material used in oil grinding stones. The difference between the two, however, is the binder that holds the abrasive together in the stone. Water abrasive stones are softer than oil abrasive stones, allowing for faster grinding. During the grinding process, the old abrasive material is broken off and replaced with fresh sharp material. Faster grinding is clearly an advantage of water grinding stones. Another obvious advantage is the use of water rather than oil to remove metal chips from the grinding stone. However, the water grinding stone is not perfect. The softness of the grinding stone, which promotes faster grinding, results in faster wear. Wear is also uneven and requires frequent straightening of the grinding surface. For this purpose, you can find the comparison blocks in the grinding accessories section.

Accessories for grinding and maintenance of grinding stones can be found in the grinding accessories section.


  • •grit size of grinding stone JIS: 2000/5000
  • •long life of the grinding stone - extremely low wear
  • •very fast grinding and polishing effect
  • •grinding stone dimensions: 180x60x28mm
  • •grinding stone made of synthetic Corundum (aluminium oxide)

  • •the grinding stone is supplied with a rubber non-slip pad
  • •the grinding stone can be used with water or oil
  • •it is enough to pour water over the grinding stone before use - however, it is better to soak the whole grinding stone in water for a few minutes (water temperature: 15-45 degrees Celsius)
  • •sharpening stone suitable for sharpening blades except ceramic knives. It is possible to sharpen woodworking tools and gardening equipment

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Additional parameters

Weight: 0.2 kg
The item has been sold out…
You will find the product in this category
synthetic grinding stones

RISAM Kitchen (Zhongshan) Co., Ltd. is a proven manufacturer of quality knife sharpeners with over 10 years experience. It focuses on developing practical and reliable solutions for home and professional use. The range includes manual and electric sharpeners, sharpening stones and multi-function tools for easy and safe sharpening. RISAM products combine precision workmanship, innovative design and an emphasis on durability.