Easy-to-read with 1° increments.
-Use to measure active and passive motion of the MP hand joints and the interphalangeal joints.
-Can be used on the volar surface of the fingers to measure hyperextension or laterally along the long axes of the joint.
-Measures from 0° to 180° in 1° increments.
-Measures 4" x 2-1/8" (10 x 5.4cm) when closed.
-Made of thick plastic.