Wolff-Wilborn Pencil Hardness Tester
$532.00
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- DESCRIPTION
- DATA SHEET
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According to ASTM D3363 standard
It has 20 pencils with grades from 9B to 9HIncludes: Pencil Holder with weight according to the standard, leveling system, set of 20 pencils, sharpener, abrasive paper and case.