Shop No drawers, Rolyan® D-Ring™ Original, 19 oz., 1.14 mm Inner Diameter / 2.4 Inner Flange Diameter / 2.1 mm Outer Flange Diameter / 1.1 mm Inner Flange Distance / 2.2 mm Total Length, For Vitros® 5, 1 FS and 4600 Chemistry Systems and Vitros® 5600 Integrated System