Sigel CO131 is a meticulously crafted CONCEPTUM® notebook, featuring a squared layout and a sophisticated black cover. This bound notebook contains 97 sheets of premium paper, cut to an A6 size, and is part of Sigel's high-quality SUPERBOOK series. Renowned for its durability and professional presentation, this notebook is suitable for a range of engineering applications such as precise sketching, note-taking during project meetings, or calculations in the field. Its robust design caters to the needs of engineers requiring reliable documentation tools that uphold a professional standard in both office and on-site environments. https://elecena.pl/product/29653971/sigel-co131-conceptum-notebook-squared-black-97-sheets-a6 2025-12-29 https://elecena.pl/product/29653971/sigel-co131-conceptum-notebook-squared-black-97-sheets-a6 2026-04-02