USA Standard Testing Sieve, Wire Cloth Test Sieve, Stainless Steel Screen Material, Stainless Steel Frame Material, Mesh Size 5/8 in, Mesh Size Range Coarse, Wire Dia. 3.15 mm, Opening Size 16 mm, Outside Dia. 12 in, Frame Inside Dia. 12 in, Overall Depth 1.625 in, ASTM E11 Standards