Description: 【Package included】You will get 3 pieces goniometer 6/8/12 inch, it can help we assists in physical by determining the range of motion of a joint; It is a kind of equipment that is always available at home 【360 degrees of coverage】Our goniometers offer 360 degrees of coverage in 1-degree increments and can be applied on various occasions with 360-degree rotation, various scales can offer a variety of readings 【Clear reading】Clear permits observation of the joint's axis of motion and range of motion, you can to place the device directly on a joint or limb for easy observation 【Transparent sturdy】They are made of quality pp material, tough, sturdy and is designed with transparent color, can clearly observe the range of motion of the joint 【Widely apply】360 degree goniometer which can be applied for measuring the range of joint motion and the angle of the spine, etc.; It can also be applied to the production of architectural drawings and horizontal measurement Specification: Material: PP Size Chart: 6/8/12 inch Package Includes: 3 Goniometer Measuring Rulers Note: Please allow slightly errors due to manual measurement and different monitors.