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 Colored Pencil Set of 12
Sale price$26.50 USD
Regular price$30.99 USD
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Koh-i-Noor
Koh-I-Noor Polycolor Colored Pencil Set of 24
Sale price$54.50 USD
Regular price$61.99 USD
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Koh-i-Noor
Koh-I-Noor Polycolor Colored Pencil Set of 36
Sale price$78.50 USD
Regular price$92.50 USD
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Koh-i-Noor
Koh-i-Noor Progresso Woodless Colored Pencil Set of 24
Sale price$32.50 USD
Regular price$34.99 USD
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Koh-i-Noor
Prismacolor Premier Watercolor Colored Pencil Sets
Sale priceFrom $28.99 USD
Regular price$35.99 USD