Spine Angle Ruler 360 Medical Goniometer for Posture

1 These medical rulers are made of high quality plastic, lightweight and durable. 2 The rotatable straight ruler has a center line through the angle plate, easy to measure and read angle. 3 The semitransparent design makes it more convenient to read angle. 4 Designed to measure the range of motion in the joints. 5 Specially designed for medical measurement.

What's in the box
3 x Medical Ruler