Specification - 2 pieces of lab sieves, 200 mesh test sieve (0.075mm) and 80 mesh test sieve, the standard lab sieve diameter: 10cm /4” Quality Material - This 80/200 mesh sieve with solid texture made of premium 304 stainless steel, both frame and cloth wire are stainless steel, very sturdy and great toughness for long time use Wide Application - Our lab mesh sieve suitable for fruit, dehydrated vegetable powder, medicine, tea, grain, aluminum, zinc and other metal ash, screws, plastic, sand, soil and so on; This standard testing sieve can be for laboratory, farm and home filtration Chemically & Physically Stable - High temperature and low temperature resistance, corrosion resistance; Durable 304 stainless steel construction, lightweight but strong, which has the rigidity and smooth feel of glass Ergonomic Design - The lab mesh sieve can be stacked to use for classification filter; And the sieve frame tightly secure wire cloth, a great lab sieve choice