First Aid Kit Class B by Blue Jay Incline Boards 50 Pound * Hydraulic system Color:Yellow 50 Pound * Hydraulic system insures accurate reproducible readings to assess finger strength * Calibrated in Lbs and Kgs * Pantyhose * Classic Black * 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 * * Contents are individually boxed color coded and packaged Unitized First Aid Kits stay neat and organized fitting tight to prevent shifting