1、Transparent Color: Joint goniometer adopted transparent design, you can observe the axes and the range of motion of the finger joint. 2、Easy Observe: You can place the fingers goniometer tool directly on the joint or limb for easy observation, which provide you much convenience. 3、Usage: Joint goniometer is a professional ruler that can be used to measure the range of motion of the finger joints, and spinal curvature. 4、Multifunction: Fingers goniometer tool can also be used in the production of architectural drawings and level measurement. 5、Excellent Acrylic: Finger joint goniometer is made of high quality acrylic material, firm and sturdy, which can be used for a long time. Item Type: Finger Joint Goniometer Material: Acrylic Explain: Measure the range of motion of fingers and other joints and the degree of curvature of the spine. Use: To measure the range of motion of fingers and other joints and the degree of curvature of the spine. 1 x Finger Joint Goniometer