{"product_id":"leuchtturm1917-notebook-master-a4-slim-squared","title":"Leuchtturm1917 Notebook Master A4+ Slim, Squared","description":"A precise 5 x 5 mm graph grid notebook in a matte black oversize hardcover — the A4+ format at 225 x 315 mm gives software developers, engineers, and technical draftsmen significantly more graphing space than standard A4 for charts, calculations, and architectural wireframes. Standard A4 prints store flat inside without edge damage. 100 g\/m² ink-proof acid-free paper, thread-bound flat-lay hardcover, 121 numbered pages.\u003cbr\u003e\u003cbr\u003eFormat: A4+ (225 x 315 mm) — 121 pages — 5 x 5 mm squared grid — 100 g\/m² ink-proof\u003cbr\u003eIncludes: Table of contents, 8 perforated sheets, 2 ribbon markers, black elastic band, expandable A4 pocket, archival labels\u003cbr\u003e\u003cbr\u003eGood to Know\u003cbr\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eHow does the Master Slim differ from the Master Classic in the same format?\u003c\/strong\u003e Both share the A4+ dimensions and core feature set. The Master Slim is offered exclusively in black and runs 121 numbered pages versus 233 in the Master Classic — a slimmer, lighter profile suited to users who prefer a shorter notebook cycle or a lower-bulk carry option at the same page size.\u003c\/li\u003e\u003c\/ul\u003e","brand":"Leuchtturm","offers":[{"title":"Default Title","offer_id":51786231513437,"sku":"4004117328169","price":5000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/4405\/4621\/files\/Leuchtturm1917-Notebook-Master-A4-Slim-Squared_All_1647_5.jpg?v=1718418548","url":"https:\/\/unfide.com\/da\/products\/leuchtturm1917-notebook-master-a4-slim-squared","provider":"UNFADE","version":"1.0","type":"link"}