Precise angle measurement This aluminum alloy angle protractor provides clear, accurate scales for fast 0180 degree readings. It supports quick and reliable angle alignment for woodworking, metalworking, and general DIY projects. Long lasting aluminum alloy construction Built from robust aluminum alloy, this multiangle measuring tool withstands heavy use and resists rust, helping it maintain condition for longterm workshop reliability. Versatile 0180 degree functionality Capable of measuring complex angles and shapes from 0 to 180 degrees, this tool makes traditional measuring more efficient and is suitable for carpentry and various layout tasks. Integrated length scale design In addition to angle measurement, the ruler includes a length scale for added convenience, delivering a professional appearance with its sleek black finish. Practical applications Woodworking and carpentry: set and transfer precise mitre angles for frames, molding, and cabinetry joints. Metalworking and fabrication: align parts and mark cut angles for accurate assembly and layout templates. General projects and jigs: quickly measure and transfer angles and lengths to ensure consistent fit and spacing.