The Japanese Mitsubishi tests the pencil Mitsubishi degree of hardness test pencil

Quantity Order:

Origin:

China

Quantity:

60000

Pack. & Delivery:

12/1

The Japanese Mitsubishi tests the pencil Mitsubishi degree of hardness test pencil
model: UNI(6B,5B,4B,3B,2B, B, HB, F, H,2H,3H,4H,5H,6H,7H,8H,9H)
altogether 17 (red)
(English edition, Japanese version two kinds may select and purchase)
pencil degree of hardness rank 6B 5B 4B 3B 2B B HB F H 2H 3H 4H 5H 6H 7H 8H 9H from softly to hardly, according to the wolff-Wilborn degree of hardness standard, is from softly to the hard sequence test, the first branch society leaves behind the scratch the pencil, regards as final the Wolff-wilborn pencil degree of hardness, the Mitsubishi degree of hardness test pencil are the field pencil degree of hardness test first choice test

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