Exacta Goniometer #NC70100

-The transparent design allows for a full view of the extremity during measurement with a white background behind the numbers and gradations for easier readability. -The 180° model provides linear measurements up to 7-7/8" (20cm) and is marked in 5° increments. -The 360° goniometer provides linear measurements up to 12-1/4" (31cm) and is marked in 1° increments. -Linear measurements in inches and centimeters. -Axis Attachment Sold Separately.