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Refills for all standard mechanical pencils They are extremely unbreakable and exceptionally smooth The tin has a practical filling aid for easy and clean refilling The leads have a thickness of 0.7 mm and HB hardness The set contains six tubs, each with 12 leads
Refills for all standard mechanical pencils They are extremely unbreakable and exceptionally smooth The tin has a practical filling aid for easy and clean refilling The leads have a thickness of 0.7 mm and HB hardness The set contains six tubs, each with 12 leads