The Micro-Mill® II Grinder is ideal for rapid, high speed milling of small samples from 20 to 50ml. The 1/5 horsepower (150 Watt) motor drives a stainless steel blade that quickly pulverizes bauxite, bone, ceramics, coal, Devarda's alloy, fertilizer, filter paper, fly ash, frozen tissue, glass, grain, kaolinites, leaves, limestone, frozen tissue, pharmaceuticals, …