8 in. Baseline Hires 360 Degree Clear Plastic Goniometer - 25 Each Maintaining our fitness makes us even more confident, happy and helps to leads a healthy life. We encourage wellness by making available a diverse range of physical therapy and occupational therapy products. Our products are used in hospitals, clinics, fitness centers, professionals and individuals. We care for our clients and their requirements and want them to be satisfied with the best, safe and reliable products at affordable price. Transparent HiRes plastic goniometer permits observation of joint's axis of motion, and its range of motion. The HiRes design ads a white line behind measurement gradations to make the readings easy to see. The 360 head has three scales calibrated to be used with the ISOM (International Standards of Measurement, STFR) system. Arm has a linear scale in inches and centimeters and remains at measurement position until reset. Angle scale reads 1 increments. HiRes 360 Degree Head - 8 inch Arms, 25-pack Features Baseline Hires 360 Degree Clear Plastic Goniometer Specifications Color: Clear Size: 8 in.