Leitz 1239-00-00, with Manufacturer's Part Number 1719991, refers to a set of 20 dividers, more specifically known as the Leitz 1239 Style Index A4 1-20 Polypropylene Multicolour 20 dividers Extra Wide. These dividers are constructed from high-quality polypropylene, which provides durability and resistance to wear, making them ideal for repetitive use in professional environments. The multicolour index improves organisation and ease of reference, facilitating quick access to different sections within technical documents and engineering manuals. Given their A4 size and extra wide tabs, they are particularly suited for categorising project documentation, mechanical specifications, or laboratory reports, ensuring that users can efficiently manage and navigate complex sets of information. Additionally, the printable feature allows for customisation, further enhancing their utility in varied engineering documentation scenarios. https://elecena.pl/product/29600114/leitz-1239-00-00-style-index-a4-1-20-multicolour-polypropylene-20-dividers 2025-12-11 https://elecena.pl/product/29600114/leitz-1239-00-00-style-index-a4-1-20-multicolour-polypropylene-20-dividers 2026-07-08