Sadly my class required us to have it too. Me being stupid at that time bought it from the student store and got this exact one but it cost me 75bucks. https://www.amazon.com/Dixie-Blood-Pressure-Sprague-Stethoscope/dp/B008YKLX5O/ref=sr_1_14_a_it?ie=UTF8&qid=1466643547&sr=8-14&keywords=Blood+pressure+cuff