High Quality: Our medical spinal goniometer is made of high quality sturdy plastic, very easy to measure and carry, the scale line on the ruler is also very obvious. There are two types of scale lines on the ruler, one is a scale line in centimeters, and one is a scale line in inches, which is more convenient for people to see the data, very convenient for people to use.Wide Applications: It is used by medical staff for medical treatment of patients, sports therapy, surgery and post-accident rehabilitation programs in hospital, clinics, or other places to measure human arms, legs, shoulders, it can also be used in the family. In addition, it can also be used by students to measure objects in research in class.Package Include: You will recieve 3 pieces geoniometer set, 1pcs 12" goniometer, 1 pcs 8" goniometer and 1 pcs 6" goniometer to provide healthcare professionals with accurate anthropometric tools for measuring various body parts.Customer Satisfaction: We have been focusing on medical angle protractor for many years and have been demanding ourselves with high standards. If you have product-related questions, please feel free to contact us. Customer satisfaction is our greatest pursuit.Feature: The physical therapy protractor is made of clear high quality plastic, which is convenient for medical personnel to measure the patient's body, and the scale line is very obvious, which is convenient for medical personnel to read the data. A variety of sizes are also available for professional measurements.