Baseline Absolute+Axis Goniometer attachment is a removable attachment piece to be attached to any 12″ plastic goniometer (sold separately). When attached to the end of one goniometer arm, the standard goniometer is transformed into an Absolute+Axis goniometer. The Absolute+Axis (AA) goniometer establishes a “true” vertical or horizontal to the start point of a measurement.
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Plastic Absolute+Axis – Attachment Only for 12 inch Goniometer [25/pack]