Polypropylene tissue grinder efficiently homogenizes tissue and cells in test, centrifuge, and grinding tubes. The cone tip tapers from 8.2mm (.325") down to 2.9mm (.115") in a length of 19mm (.75") and has a rounded end. 21cm (81/8") long overall with a 4.8mm (3/16") diameter shaft. Steam autoclavable at 121ºC (250ºF). 6 per bag.