Digital Absolute + Axis Goniometer (Built In) Undercast Padding but desirable sounds and louder Mineral oil softens and but desirable sounds and louder Pantyhose * Antracite * 20 30 mmHg * Medium * Ankle Circimference 8 3 8 9 7 8 Thigh Circumference 18 1 8 27 1 2 * Hip Circumference 30 50 * Beautifully sheer hosiery Durable long lasting * Sandalfoot styling * Gradient compression for relief and prevention of venous disease * Therapeutically effective sheer lightweight and fashionable * 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 *