Spot test plate, Number of trays: 12, 127 mm, 97 mm | Miscellaneous laboratory porcelain | Melting crucibles, ignition dishes and laboratory porcelain | Laboratory Glass, Vessels, Consumables | Labware | Carl Roth - France
File:Spot plate full view.jpg - Wikipedia
12 Well Porcelain Spot Plate | Avogadro's Lab Supply