Specification 1 piece of lab sieves, 4 / 10 / 20 / 60 mesh sieve, the standard lab sieve diameter: 20cm / 7.87 Chemically & Physically Stable High temperature and low temperature resistance, resistance; 304 stainless steel construction, lightweight but strong, which has the rigidity and smooth feel of glass Wide Application Our lab mesh sieve suitable for fruit, dehydrated vegetable powder, tea, grain, aluminum, zinc and other metal, screws,, sand, soil and so on; This standard testing sieve can be for laboratory, farm and home filtration This 80 / 200 mesh sieve with texture premium 304 stainless steel, both frame and cloth wire are stainless steel, very sturdy and great toughness for long for time use 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