Constructed with premium 304 stainless steel for exceptional chemical stability and temperature resistance (high and low). Features four precision mesh sizes (4/10/20/60) in a 20cm diameter, ideal for laboratory analysis, agricultural screening, and industrial filtration applications. Ergonomic stackable design enables multi-layer particle classification. Reinforced frame securely holds corrosion-resistant wire cloth, suitable for filtering grains, soil samples, metal powders (aluminum/zinc ash), plastic pellets, and dehydrated food ingredients. 7.87-inch diameter sieve weighs 330g with 5cm depth, featuring seamless construction that resists warping. Chemically inert surface meets strict lab sanitation standards. Includes measurement tolerance note (1-2cm) for professional accuracy requirements.