Graham-Field Radiopaque Goniometers,8",Each,2164Price: USD68.24 Graham-Field Radiopaque Goniometers are used during filming to document angles of the negative. Their 180 degree head has two opposing scales calibrated in 2.5 degree increments. The black anodized aluminum goniometers have easy to read white radiopaque markings.Other products from H e a l t h P r o d u c t s F o r Y o u |