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Brand: KOH-I-NOOR
A set of six coloured 2mm by 120mm leads for mechanical pencils. During the Napoleonic wars a shortage of high quality Cumbrian graphite throughout continental Europe pushed Joseph Hardtmuth to develop a pencil lead made from powdered graphite mixed with clay and in so doing created the very first m..
£2.25
Ex Tax:£1.88
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