\nSharpening Stage\nGrit Range (µ)\nMicron (µ)\nGlassStone 7\nRange Code\n\n\n\nShaping 30.1–150\n \n 122.5\n \n 1\n\n \n30.1–150\n 66.82\n \n\n \n \n 45.94\n \n\n\n \nGrinding 10.1–30\n20.1–30\n 29.4\n \n 2A\n\n \n \n 25\n 25.0µ\n\n \n15.1–20\n 20\n \n 2B\n\n \n10.1–15\n 14.7\n \n 2C\n\n \n \n 11.5\n 11.5µ\n\n\n \nHoning 3.01–10\n8.01-10\n 9.8\n \n 3A\n\n \n6.01\n 7.35\n \n 3B\n\n \n \n 6.7\n 6.70µ\n\n \n3.01-6\n 4.9\n \n 3C\n\n \n \n 4\n 4.00µ\n\n \n \n 3.68\n \n\n\n \nPolishing 0.25-3\n1.51-3\n 3\n 3.00µ\n 4A\n\n \n \n 2.94\n \n\n \n \n 2.45\n \n\n \n \n 2\n 2.00µ\n\n \n \n 1.84\n \n\n \n0.76-1.5\n 1.47\n \n 4B\n\n \n \n 1.2\n 1.2µ\n\n \n \n 1\n \n\n \n \n 0.92\n \n\n \n \n 0.85\n 0.85µ\n\n \n0.25-0.75\n 0.49\n \n 4C\n\n \n \n 0.44\n 0.44µ\n\n\n",
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Shapton GlassStone Seven Series (GS7) Stones
Description
The smaller format of this series makes it ideal for freehand honing of the longer edges found in most households (knives, shears, scissors) or smaller edge tools such as carving or turning tools.
The stones are 160mm × 37mm (6 5/16" × 1 7/16"), weigh about 180g (6.4 oz) each and are 12mm thick, about 7mm of which is usable abrasive.
Sharpening Stage
Grit Range (µ)
Micron (µ)
GlassStone 7
Range Code
Shaping 30.1–150
122.5
1
30.1–150
66.82
45.94
Grinding 10.1–30
20.1–30
29.4
2A
25
25.0µ
15.1–20
20
2B
10.1–15
14.7
2C
11.5
11.5µ
Honing 3.01–10
8.01-10
9.8
3A
6.01
7.35
3B
6.7
6.70µ
3.01-6
4.9
3C
4
4.00µ
3.68
Polishing 0.25-3
1.51-3
3
3.00µ
4A
2.94
2.45
2
2.00µ
1.84
0.76-1.5
1.47
4B
1.2
1.2µ
1
0.92
0.85
0.85µ
0.25-0.75
0.49
4C
0.44
0.44µ
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