Constructed with premium 304 stainless steel for exceptional chemical stability and temperature resistance (high & low). Features four precision mesh sizes (4/10/20/60) in 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" 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.