USA Standard Testing Sieve, Wire Cloth Test Sieve, Stainless Steel Screen Material, Stainless Steel Frame Material, Mesh Size 17/32 in, Mesh Size Range Coarse, Wire Dia. 2.8 mm, Opening Size 13.2 mm, Outside Dia. 12 in, Frame Inside Dia. 12 in, Overall Depth 1.625 in, ASTM E11 Standards