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