The Staining Kit is made for heavy metal staining of biological samples on TEM-Grids and can contrast up to 20 grids at a time. This modified version of the original Hiraoka Staining Kit facilitates grid handling, saves time and reagents. Includes: Staining Tray (6), Plate Holder, Parafilm Well Holder, Staining Tray Space Insert (2), Grid Support Plate (2), Parafilm.