Package Included: The package contains 1 transparent protractor, which is a functional and practical tool that can meet your measurement and drawing needs in daily life, and can also replace old damaged or lost protractors. Durable Material The physiotherapy goniometer is made of high-quality PVC material, which is durable, wear-resistant, smooth and transparent, and can be used for a long time. Easy to Read: This protractor has clear colors, a head that can rotate 180 degrees, and a dual-scale design with inch and centimeter scales on the measuring arm, allowing you to read clearly and quickly without blocking your working view. Multi-purposeThese transparent plastic goniometers are easy to use and suitable for artists, construction workers, designers, carpenters, architects, teachers, engineers, students and other people with measurement needs. drawing, for their work, solid or lifetime use. Bring great convenience. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.