Easy to use Our goniometer ruler is a high-quality instrument built to strict quality control standards. It combines an artistic appearance with a simple structure, making it friendly for beginners. Strong applicability The ruler is easy to fold and store, and can be operated with one hand thanks to its unique fastening mechanism. To use: place it on the work area, slide the ruler into the desired shape, and tighten the screws. Long service life Constructed from high-quality stainless steel, the goniometer ruler is stable and durable. Professional manufacturing ensures high reliability and long service life, with quality assurance backing. Good performance This tool provides accurate measurements and can transfer and track angles to any material without needing to create a new template for each project or re-measuring the same angle repeatedly. Use scenarios - Woodworking and cabinetry: set precise miter joints, trim profiles, and furniture angles with repeatable accuracy. - Metal fabrication and engineering: mark and transfer angles onto steel, aluminum, or other metals for cutting, welding, or machining. - DIY projects and crafts: reuse templates across different materials for tiling, prototyping, or decorative work, reducing setup time and errors.