Precision you can rely on in building, interior design, and complex woodworking. This T-square ruler delivers accurate measurements, true straight edges, and clean lines for reliable results. Unique backstop positioning design for consistent alignment. The backstop keeps material in place and ensures repeatable, precise marks every time. The clear, accurate scale supports exact layouts for any project. Aluminum alloy construction for durability and stability. Built to maintain accuracy through daily workshop use, while remaining light enough for comfortable handling. Designed for Architects, Engineers, Woodworkers and Enthusiasts. A tool that meets the needs of professionals and hobbyists who demand precision in their work. Practical use scenarios - Laying out cabinetry, framing, and shelving during renovations to ensure square joints and exact dimensions. - Marking and cutting straight lines for picture frames, mats, mouldings, and other trim work. - Drafting and verifying layouts for wood joinery, paneling, or interior fittings where precise right angles are essential.