This Sieve Set 200mm for Sand FM is made out of spun brass and without any joints in it with Stainless Steel mesh for long time durability. It has uniform fabrication which allows a smooth nesting on each other. It can usage in various places such as agriculture, biology, chemistry/plastics, construction materials, engineering/electronics, recycling, food, geology/metallurgy, glass/ceramics, pharmaceuticals, foodstuff industries, concrete industries, coal industries, etc.