The Omron Large Cuff designed for use with blood pressure monitors by Omron. The Omron large cuff measures 32-42cm in circumference. Other cuffs are available from Cartwright Fitness. This Omron large cuff is compatible with the following blood pressure monitors by Omron - M3 Blood Pressure Monitor. M2 Basic Blood Pressure Monitor. 705 IT Blood Pressure Monitor. 705 CP Blood Pressure Monitor Using the correct size of cuff is important to ensure the accuracy of your Omron Blood Pressure Monitor. To establish the cuff size for your Omron blood pressure monitor use a tape measure and take a measurement around the upper arm while the arm is in a relaxed state. Then select the correct size cuff when purchasing the cuff for your Omron blood pressure monitor or when selecting additional cuffs for measurement of a variety of users. When it comes to Fitness Testing equipment then look no further than McSport. We offer an extensive range of equipment that will cater to all your Fitness Testing needs.