Specification - 1 piece of lab sieves, 4/10/20/60 mesh test sieve, the standard lab sieve diameter: 20cm /7.87 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 Wide Application - Our lab mesh sieve suitable for fruit, dehydrated vegetable powder, 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 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 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 for time use