... steel blade and knife main used for microtomes ,suit hard tissue ,such as bone ,plastic ,plant and animal hair. Microtome blade and knife1)material ... ,120mm is available.3)feature: adopt special workmanship and material ,the microtome knife can be used for many times4)except for the ... ,plastic ,plant ,animal hair and so on.5)can be used in YD-1508,YD-202 ,YD-2508 microtomes. Microtome blade and knife