The Blue Jay Elite Healthcare Products CUFF-IT STANDARD ADULT Blood Pressure Cuff fits arms 8.7 - 14.2 in circumference and is to be used with the Blue Jay Elite Healthcare Products Perfect Measure line of Blood Pressure Units The CUFF-IT STANDARD ADULT Blood Pressure Cuff features a D-Ring and is properly contoured for accuracy and comfort Convenient cuff placement directions are imprinted directly on the cuff For use with BJ120105 or BJ120100 Cuff measures 19.3 x 4.9 and fits arm circumferences 8.7 - 14.2 *