Baseline Attachment For Absolute+Axis Goniometer

The Baseline Attachment For Absolute+Axis Goniometer is a removable attachment piece to be attached to any 12" 360-degree plastic goniometer. This addition provides an absolute axis starting point establishing true vertical and horizontal starting points to give the most accurate readings when using the goniometer. With it's easy to use design, it snugly fits onto one of the arms of a goniometer to ensure absolute axis measurements when recording range of motion metrics.