... -315 is an rotary microtome , which is samily as the LEICA 2126 . YD-315 microtome is an rotary microtome , which is samily ... other consumable one the top of case . it is easy .2 it donot need to lubricate and ... any position , and the handle can be locked in highest position , it is double safe for changing ... . It adopt the special blade holder , it is more safe and convenient to use the disposable blade ...