Ultrasonic Test Sieve, Clear Acrylic Frame, Stainless Steel Screen Material, Acrylic Frame Material, Mesh Size Medium, Mesh Size Range Medium, Wire Dia. 0.56 mm, Opening Size 1 mm, Outside Dia. 3.5 in, Frame Inside Dia. 3 in, Overall Depth 0.625 in, ASTM E11 Standards. This item has been restricted from sale in the following state (s): []