Item Type: Medical Goniometer Product Material: Plastic Package List 1 x Medical Goniometer 1PLASTIC MATERIAL: Made of premium plastic material, this ruler is strong and sturdy, wear resistant and impact resistant, ensures a long service life. 2TRANSPARENT: This transparent plastic allows observation of the joint's axes of motion and range of motion. 3USE INDICATION: Place the goniometer directly on the limbs or joints for observation. The measurement units are inches and centimeters, located on the arm of the height gauge for easy reading. 4EASY CARRYING: This ruler is small and thin in size, light in weight that you can easily carry the ruler for convenient use. 5APPLICABLE SCENARIOS: Ideal for physical therapists, home use, and students who want quality professional materials and effective results.