This hand-held, cordless homogenizer features a simple push in / pull out pestle exchange, ideal for thorough and faster processing of one to many samples.Pestles and tubes assure tight tolerances and thorough homogenization, and are chemical and heat resistant, colorant-freeTubes have 25% thicker bottoms than industry standard, with frosted surfaces for labeling and a "snap-cap" sealPestles have a ribbed shaft for precise finger control, and also fit most motorized mixer adaptersManufactured in a class 10,000 cleanroom; certified DNase, RNase and Pyrogen-freeAvailable individually wrapped or bulk packed; homogenizer unit is CE marked