- The rotating measuring ruler is a multifunction geometry tool that enables precise angle measurement and construction up to 360 degrees, making it a valuable addition to any sewing toolkit. - Material and design: Made of polypropylene; features a long handle and a calibrated rolling ruler for easy measuring and drawing; scales are marked in both inches and centimeters. - Who it is for: Suitable for professional sewers, sewing enthusiasts, engineers, architects, students, and teachers; designed for anyone needing precise angle and line measurement. - Applications: Widely used for sewing, quilting, clothing pattern making, tailoring, home renovation, education, industrial manufacturing, and crafts; adapts to different environments and tasks. - Use scenarios: Drafting pattern pieces and curves for garments or quilts; Aligning seam allowances and creating angled hems or bevels in projects; Conducting technical drawings or measurements in classrooms or on job sites requiring precise angles.