Precise Knife Straight Edge 6" - Gritomatic

Precise Knife Straight Edge 6"

Country of origin: Russia Russia

$23.90 USD 📊 Grit Chart

Features

Precise Knife Straight Edge is a simple tool to test the flatness of the sharpening stone by light slit. The Straight Edge has a two-sided bevel in the shape of a knife.

The Straight Edge provides a level of accuracy far greater than that of a conventional metal ruler. The Straight Edge is made of stainless steel of high hardness (at least 61 HRC), and is equipped with a heat-insulating holder. It measures to an accuracy of 0.8 microns.

Specification

  • Product size: 15.4 x 3 cm (6" x 1¼")
  • Shipping size: 20 x 6 x 2 cm (8" x 2¾" x ¾")
  • Weight: 150 g (5.3 lbs)
  • Shipping Weight: 255 g (9 lbs)
  • Materials: Stainless steel, Wood (box)
  • Compliance: DIN874

How to use

To test the sharpening stone, engage the straight edge with the surface. Look towards the light source through the straight edge in contact with the stone, and try to see a light slit. If light passes through any part of straight edge, the sharpening stone surface is not flat.

Both the straight edge and the sharpening stone should be dry during the test.

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Grit chart

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