Description: Measuring Tool: The goniometer is perfect for physiotherapy and occupational practitioners or students. High Precision: The angle ruler features high precision, which is professional and can improve working efficiency. Flexible: The transparent ruler is flexible, which is convenient for you to gauge with good accuracy. Premium Material: The 2 in 1 goniometer is made of premium plastic, which is wear-resistant for long time use. Multi-use: The multi-ruler is suitable to measure the range of of joints, such as elbows, knees and fingers. Specification: Material: Plastic. Color: Transparent. Size: Approx. 21.4x4.9cm/8.41x1.93inch. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Goniometer. Measuring Tool: The goniometer is perfect for physiotherapy and occupational practitioners or students High Precision: The angle ruler features high precision, which is professional and can improve working efficiency Flexible: The transparent ruler is flexible, which is convenient for you to gauge with good accuracy Premium Material: The 2 in 1 goniometer is made of premium plastic, which is wear-resistant for long time use Multi-use: The multi-ruler is suitable to measure the range of of joints, such as elbows, knees and fingers