Cole-Parmer Sieve Shaker, Accepts up to 7 Full-Height 3" Sieves; 115V, Quiet, electromagnetic vibratory action for small samples0 to 100% amplitude control for fine particle separation, This sieve shaker accommodates up to seven full-height 3''-diameter sieves and is ideal for small samples of chemicals, minerals, pharmaceuticals, powered metals, cosmetics, abrasives, ores, foods and other fine powders. The stainless steel, 3''-diameter sieves, sieve cover, and sieve pan are sold separately.