The L.S. Starrett 434-12-4R is a 12-inch combination square designed for accurate layout, marking, and measuring tasks in woodworking, metalworking, and general fabrication. Built to the quality standards Starrett is known for, it delivers reliable performance for both professional tradespeople and serious hobbyists.
This combination square features a 12-inch blade and a standard square head, making it ideal for checking 90° and 45° angles, measuring depth, and scribing lines. A dependable tool for shops, job sites, and maintenance applications.