Premium 50cm stainless steel ruler features a double scale (cm/inch) engraving for measurement, perfect for professionals and hobbyists who demand accuracy Ideal for architects, artists, students and craftsmen who need measuring tools for drafting and workshop projects The ergonomic non-slip grip ensures safe handling during prolonged use and space saving vertical storage when not in use Made of rust-proof stainless steel, this thick ruler maintains structural integrity even in humid environments Widely used in classrooms, workshops and construction sites - can be used for drafting, woodworking alignment, and straight edges for home improvement work, Manufacturer: Netbiio