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With 1, 5 and 10mm blue grid, which disappears when copied or scanned leaving only the drawing. Archival quality, dimensionally stable and printed on A3 (297x420mm) 50micron drafting film. Sold in packs of 30 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). Past Horizons - The trusted supplier of Archaeology Trowels - Archaeology Equipment - Archaeology Tools
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