The Helios Preisser Engineer's Square with Stop, measuring 500 x 280 mm, ensures precise 90° angles for accurate engineering tasks. Its durable construction is ideal for woodworking, metalworking, and general layout work. The integrated stop feature provides stability and ease of use during measurements. https://elecena.pl/product/28930275/helios-preisser-0374418-engineers-square-with-stop-500x280mm-90-angle-testing 2025-06-10 https://elecena.pl/product/28930275/helios-preisser-0374418-engineers-square-with-stop-500x280mm-90-angle-testing 2026-07-11