Take A Range Check 6£ Finger Goniometer 6 Standard Steam Inhalers 75 44 (when sizing measure Hip Kits 75 44 (when sizing measure around the middle of the waist) * Provides pain relief and compression for muscle injuries and general lower back dysfunctions The integral absolute vertical and horizontal levels are permanently incorporated into the digital goniometer arm * Goniometer reads 0 180 degrees on LCD screen * Has ability to freeze angle measurement * Powered by 1 9V battery * Goniometer exterior is powder coated steel with inch cm marks screened onto arms * Digital angle reached in center * Horizontal and vertical levels to indicate level or plumb starting point * 6 Standard 140 degree * Measures the range of motion of metacarpal phalangeal and interphalangeal joints * Head has two opposing scales marked in 6 degree increments * Features a linear scale in both inches and centimeters on arm *