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Standard Pencil for Hardness Testing
Description: It meets the requirements of GB/T 6739-96.
Order information:
Chinese Pencils 101 (6B-5B-4B-3B-2B-HB-H-2H-3H-4H-5H-6H),Total 13 pieces.
UNI Mitsubishi Pencil (Red) (6B-5B-4B-3B-2B-B-HB-F-H-2H-3H-4H-5H-6H-7H-8H-9H) total 17 pieces..
Standard Pencil for Hardness Testing
Description: It meets the requirements of GB/T 6739-96.
Order information:
Chinese Pencils 101 (6B-5B-4B-3B-2B-HB-H-2H-3H-4H-5H-6H),Total 13 pieces.
UNI Mitsubishi Pencil (Red) (6B-5B-4B-3B-2B-B-HB-F-H-2H-3H-4H-5H-6H-7H-8H-9H) total 17 pieces..