Digital and analog scales allow highly accurate, repeatable and reliable joint measurements
Transparent poly fiber blades with center line permit easy location of joint axis and unobstructed observation of movement
Latex free hypoallergenic poly fiber blades are easily sanitized after each use
From "zero" setting measures 180 degrees in both directions. Relative "zero" can be set at any point in an arc. "Hold" function retains measurements
Degrees are displayed in .1 degree increments (one tenth of a degree); accuracy of +/- .5 degrees (half of a degree)