I.T.S. Screw System with the below descriptions and corresponding article numbers. 1. Cancellous Screw, Cannulated; Article Numbers: 31404-16, 31404-18, 31404-20, 31404-22, 31404-24, 31404-26, 31404-28, 31404-30, 31404-32, 31404-34, 31404-36, 31404-38, 31404-40, 31404-42, 31404-44, 31404-46, 31404-48, 31404-50, 31404-55, 31404-60, 31404-65, 31404-70, 31404-75, 31404-80, 31457-30, 31457-36, 31457-40, 31457-46, 31457-50, 31457-55, 31457-60, 31652-100, 31652-105, 31652-110, 31652-115, 31652-120, 31652-25, 31652-30, 31652-35, 31652-40, 31652-45, 31652-55, 31652-60, 31652-65, 31652-70, 31652-75, 31652-80, 31652-85, 31652-90, 31652-95, 31731-100, 31731-105, 31731-110, 31731-115, 31731-120, 31731-50, 31731-60, 31731-65, 31731-70, 31731-75, 31731-80, 31731-85, 31731-90, 31731-95, 31732-60, 31734-100, 31734-105, 31734-110, 31734-115, 31734-120, 31734-45, 31734-50, 31734-60, 31734-65, 31734-70, 31734-75, 31734-80, 31734-85, 31734-90, 31734-95. 2. Cortical Screw, Cannulated; Article Numbers: 31357-44, 31357-22, 31357-48, 31277-18, 31357-20, 31357-22, 31357-24, 31357-26, 31357-28, 31357-30, 31357-32, 31357-34, 31357-36, 31357-38, 31357-40, 31357-42, 31357-44, 31357-46, 31357-48, 31357-60, 31357-65, 31357-70. 3. Washer; Article Number: 36851. 4. Washer, Concave; Article Numbers: 36432, 36653, 36732. 5. Washer, Flat; Article Numbers: 36431, 36651, 36653, 36731.. Reason: Updated MRI safety testing demonstrates higher RF-induced temperature increases under certain MRI conditions than previously reflected in the Instructions for Use (IFU).. Classification: Class II. Quantity: 5,568 units. Distribution: US Nationwide distribution in the states of AL, AZ, BVI, CA, CO, FL, GA, IL, IN, KS, KY, LA, MA, MD, MI, MN, MO, MS, MT, NE, NJ, NM, NV, OH, OK, PA, SC, TX, USVI, WV, W.