Description

This innovative design uses tempered float glass as a foundation for each stone, giving it a degree of dimensional stability and strength while ensuring that all the abrasive is usable.

Overall stone dimensions are 210mm × 70mm × 11mm (8 1/4" × 2 3/4" × 7/16") with 5mm of usable abrasive thickness. Each stone weighs about 14 oz (400g). Use with the Shapton stone holder or field holder for a solid base that holds the stone at a good working height.

The GS series has the largest range of grits and will appeal to technical sharpeners who can build a sharpening regimen that meets the needs of any blade. For forge-welded composite steel blades, Shapton recommends these HC-designated 4000x, 6000x and 8000x stones that use an abrasive agent best suited for those blades.

The HR stones are the regular stones (sold separately).



Sharpening
Stage
Grit
Range
(µ)
Micron
(µ)
GlassStone Range
Code
Shaping
30.1–150
122.5 120 1
30.1–150 66.82 220
45.94 320
Grinding
10.1–30
20.1–30 29.4 500 2A
25
15.1–20 20 2B
10.1–15 14.7 1000 2C
11.5
Honing
3.01–10
8.01-10 9.8 3A
6.01 7.35 2000 3B
6.7
3.01-6 4.9 3000 3C
4
3.68 4000
Polishing
0.25-3
1.51-3 3 4A
2.94
2.45 6000
2
1.84 8000
0.76-1.5 1.47 10000 4B
1.2
1
0.92 16000
0.85
0.25-0.75 0.49 30000 4C
0.44

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