- Missing packaging, product is complete and in new condition.

DMT Diamond sharpening stone, extra coarse, A4X

grit_size_kato

DMT Diamond sharpening stone, coarse, A4C

colour

material

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stone_abrasive

value_width

value_height

value_length

DMT Diamond sharpening stone, extra extra coarse, A4XX

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brand

series

notforsale

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warranty

Almost all the products we sell come with a manufacturing warranty. Want to learn more about the warranty? Read our topic: [warranty explained](/en/ct/warranty-explained.htm)

Warranty

origin

The country of origin is the country the product is produced, as far as we know. This may differ from the country where the brand itself is located.

Country of origin

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General information

value_height_usable_part

The height/thickness of a sharpening stone (excluding a potential base).

Height usable part

value_length_useful_part

value_width_useful_part

Dimensions & weight

The material that gives the sharpening stone its abrasive effect. Diamond, ceramics (e.g. aluminium oxide or silicon carbide) or the materials in a natural stone. Read [more about the advantages and disadvantages of these materials](/en/ct/sharpening-stone-materials-which-are-the-best.htm).

Abrasive

stone_binder

The agent that brings all the abrasive particles in a sharpening stone together. The cohesive agent usually consists of natural products, such as cellulose, wax, clay and even magnesium, or synthetic products such as: polyacrylates, polyvinyl alcohol or various synthetic resins. The cohesive agent itself usually has no abrasive effect.

Cohesive agent

Material

fixed_sharpening_angle

* No: the device has a variable adjustable sharpening angle.  
* Yes: the device has one fixed, non-adjustable sharpening angle.

Fixed sharpening angle

The grain size a supplier gives to its sharpening stones. Please note: This can be either in FEPA-F (European), ANSI (American) or JIS (Japanese). Read [more about the different grain sizes here](/en/ct/expressing-grain-sizes-sharpening-stones.htm).

Grit according to supplier

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sharpsys_type

stone_water

Some sharpening stones need to be submerged, others only need a splash of water and some need no water at all! For the best results, check in advance what is best for your sharpening stone.

Use with water

The grain size we give to a sharpening stone. We test all sharpening stones ourselves and add an appropriate grain size on the basis of this test. From extra coarse to ultra fine.

DMT Diamond sharpening stone, extra coarse, A4X