Long-lasting pencils used by construction companies and those in the building trades. The flat design keeps the pencil from rolling or blowing away, while the double-sided lead is handy for marking measurements or taking notes; 7 in overall length.
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Catalog
https://assets.unilogcorp.com/187/ITEM/DOC/IRWIN_100002913_Catalog.pdf
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Catalog
https://assets.unilogcorp.com/187/ITEM/DOC/Irwin_100002663_Catalog.pdf