Feature 1Suitable For Family: Assess everything you need for evaluating joint range of motion. Perfect for physical therapists, home use, and students wanting professional materials with effective results. 2Measurement: Helps determine the range of motion of the joints. Measure the progress of recovery after injury by measuring this range of motion and determining improvements. 3Main Function: Observes the axle of motion and range of joint motion. Set Goniometer Angle Protractor directly on limbs or joints for observation. 4Wide Usage: Set of 4 pieces suitable for a wide range of measuring applications. Compact design to fit in pockets, wallets, medical bags and more. Will not take up much space. 5ABS: Constructed with durable and ABS material that will last longer. Good light transmittance, moisture resistance, corrosion resistance, easy to processItem Type: MedicalGoniometerSetMaterial: ABSQuantity: 4pcsScope Of Application: Very suitable for physical therapists, family use and students who want professional materials and effective results .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List4 x MedicalGoniometerSets