Ring Writer Clip Writing Aid, 1 Pack of 3 Tilt Tables Small 7 DIAMETER * Red Style:1 Pair (Left & Right) Small 7 DIAMETER * Red * Light * Flexion extension opposition and supination exercises can be performed using the exercise web * Resistance may be modified by adjusting the hand position depth of finger insertion or by moving to a different resistance (color) web * in circumference * To determine your arm size use a cloth measuring tape and measure the circumference of your left upper arm midway between your elbow and shoulder * The Small Cuff is compatible with Omron Blood Pressure Monitor models: BP710N BP742N and BP765 one for the finger and one for the implement Requires little or no grip