We have the Sakura automated slide stainer.  The racks that come with it can 
be purchased separately (they have a removable metal handle).  They are 
microwavable (we microwave the daylights out of ours), and xylene proof.  
They are great.  They hold 20 slides.  I hope this helps. 

                                    Jeanie Wade, H. T.
                                    Pathology Assoc. of Tyler