A number of significant innovations in the field of writing instruments comes from the KOH-I-NOOR HARDTMUTH factory. For example, the production of graphite and clay pencil lead, patented as early as 1802, the principle of machine-made pencils or division of graphite pencils into individual grades 8B-10H, according to the hardness of the lead, which were soon taken over by other manufacturers as a global standard.
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Koh-i-Noor
Koh-I-Noor Polycolor Coloured Pencil Set of 72
Sale price$144.99 USD
Regular price$148.00 USD
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Koh-i-Noor
Koh-i-Noor Progresso Woodless Colored Pencil Set of 12
Sale price$9.35 USD
Regular price$14.40 USD
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Koh-i-Noor
Koh-i-Noor Progresso Woodless Colored Pencil Set of 24
Sale price$17.89 USD
Regular price$28.80 USD
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Koh-i-Noor
Koh-i-Noor Rapido Eze Cleaning Solution for Technical Pens
Sale priceFrom $5.45 USD
Regular price$6.70 USD
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Koh-i-Noor
Progresso Woodless Aquarelle Graphite Pencil 4B
Sale price$1.55 USD
Regular price$2.30 USD