... brass, stainless steel, or steel with chrome plat 3.Satisfy with ASTM E-11 Soil test sieveStainless steel ... 19mm, 26.5mm, 31.5mm, 37.5mm, 63mm, 75mm,3. Old standard stone sieve:(12units) 2.5mm, 5mm, 10mm, 16mm, ... 20mm, 31.5mm, 40mm, 50mm, 63mm, 80mm, 100mm4. Old standard sand sieve:(7units) 0.16mm, 0.315mm, 0.63mm ... , 1.25mm, 2.5mm, 5mm, 10mm5. Old standard soil sieve: (9units) 0.075mm, 0.1mm, 0 ...