360 degree rotating measuring ruler that enables precise measurement and layout of angles up to 360 degrees. Made of polypropylene (PP), with long graduated scales and features that mark in both inches and centimeters. Rotating protractor style measuring tool that provides accurate measurement and angle construction; a multifunctional gauge that is a essential addition to any sewing toolkit. Versatile for sewing, quilting, garment pattern making, crafts, tailoring, renovations, education settings, industrial manufacturing and general handcraft projects; this rotating sewing gauge fits a variety of environments and tasks. use cases: - drafting garment patterns and sleeve caps with accurate angles - transferring angles for collars, hems, and seams - verifying right angles and bevels in craft and renovation projects