With 1, 5 and 10mm blue grid, which disappears when copied or scanned leaving only the drawing. Archival quality, dimensionally stable and printed on A4 (210 × 297mm) 50micron drafting film. Sold in packs of 25
Once known as Permatrace. This drafting film is waterproof (Care should always be taken when working in wet weather - to ensure you do not wipe over pencil drawings).
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