Standard Stainless Steel Cloth Test Sieve, Wire Cloth Test Sieve, Stainless Steel Screen Material, Brass Frame Material, Mesh Size Coarse, Mesh Size Range Coarse, Wire Dia. 5 mm, Opening Size 50 mm, Outside Dia. 8 in, Frame Inside Dia. 8 in, Overall Depth 2 in, ASTM E11 Standards