Feature:1. Accurate Scale: Can avoid the measurement error as much as possible, so that final measurement results of orthopedic protractor are more accurate.2. Transparent: Allows a clearer view of axle and range of joint. You can place orthopedic protractor directly on the joint or body for easy observation.3. Joint Measuring: Physical joint protractor can be used for finger joint range of motion, spine angle measurement, most suitable for orthopedic use.4. 120 Degree Measurement Range: Maximum measurement angle of orthopedic protractor is 120 degrees. Can meet the basic need of joint motion measurement range.5. Wide Application: In addition to the measurement of body joint, can also be used for the production of architectural drawings and level measurement.Specification:Item Type: Orthopedic ProtractorMaterial: PlasticDescription: The range of motion of the fingers and other joints and the curvature of the spine were measured.Package List:1 x Orthopedic Protractor