{"product_id":"leuchtturm1917-notebook-a4-squared","title":"Leuchtturm1917 Notebook A4, Squared","description":"Format: A4+ (225 x 315 mm) — 233 pages — 5 x 5 mm squared grid — 100 g\/m² ink-proof\u003cbr\u003eBinding: Thread-bound hardcover — 180° flat-lay across drawing tables\u003cbr\u003eIncludes: Table of contents, 8 perforated sheets, 2 ribbon markers, elastic band, expandable A4 pocket, archival stickers\u003cbr\u003e\u003cbr\u003eThe Master Classic in a precise 5 x 5 mm graphing grid — the oversize A4+ format gives engineers, researchers, and technical draftsmen significantly more graph space than standard A4 notebooks. Standard A4 prints slide directly between pages for side-by-side comparison. Fountain pen compatible, zero bleed-through.","brand":"Leuchtturm","offers":[{"title":"Default Title","offer_id":51784130167133,"sku":"4004117258138","price":6600.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/4405\/4621\/files\/Leuchtturm1917-Notebook-A4-Squared_All_2410_3.jpg?v=1718406343","url":"https:\/\/unfide.com\/products\/leuchtturm1917-notebook-a4-squared","provider":"UNFADE","version":"1.0","type":"link"}