These economical sieves feature stainless steel mesh and steel frames. The set of six sieves includes the following mesh sizes: 5 (4,000 micron), 10 (2,000 micron), 35 (500 micron), 60 (250 micron), 120 (125 micron), and 230 (63 micron). Includes lid and catch pan. Sieve Diameter: approximately 7".