Lead of mechanical pencils
Length and thickness of the Spare Leads
The thickness of the core is determined by JIS. The recommended value is also shown for the length. There seems to be a lot of 60mm length.
The thickness of the core is determined by JIS. The recommended value is also shown for the length. There seems to be a lot of 60mm length.
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General Information of Tombow 2024-2025 Lineup of all products of Tombow
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