1. Finest quality mesh; 2. Materials: brass, stainless steel, or steel with chrome plat 3.Satisfy with ASTM E-11 Soil test sieveStainless ... steel soil sieves & copper soil sievesNew standard stainless steel and brass sieve for sand, soil and ... , 20mm, 31.5mm, 40mm, 50mm, 63mm, 80mm, 100mm4. Old standard sand sieve:(7units) 0.16mm, 0.315mm, 0.63mm, 1.25mm, 2 ...