Price history on Walmart.com for
Baseline 180 degree X-ray anodized goniometer joint angle and range of motion measurer
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The Baseline® X-ray goniometer can document angles on X-ray negatives. 180° head has two opposing scales marked in 2½° increments. Black anodized aluminum with easy-to-read white radiopaque markings. 180 Degree Range - 8 inch Arms
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