The package includes: You receive a geodetic instrument with a 12-inch goniometer to provide healthcare professionals with an accurate anthropometric tool for measuring a variety of body parts. Features: The physiotherapy protractor is made of well-made transparent 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. Various sizes are also available for professional measurements A wide range of applications: It is used by medical personnel in the medical treatment of patients, sports therapy, surgery and post-accident rehabilitation programs in hospitals, clinics or elsewhere to measure the human arm, leg, shoulder, and can also be used in the home. In addition, it can be used by students to measure objects in research Reliable quality: Our medical spinal goniometers are made of , strong plastic, very easy to measure and carry, and the scale lines on the ruler are obvious. There are two scales on the ruler, one is the centimeter scale line, the other is the inch scale line, which is more convenient for people to view the data, very convenient for people to use The actual product may have slight color difference or difference, which not affect the use Colour:Transparent Material:plastic Package Contents: 1 x Digital Goniometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.