-You can collect optical microscope sections floating on the water surface of the boat and move them easily and quickly onto the slide glass.
-Since the ring on the slide glass is heated by the hot plate as it is, you can work efficiently. The ring can be used repeatedly.
-A ring with a pickup tab that is easy to handle with tweezers.
TSR-57:A circular type with an inner diameter of 5 mm and an outer diameter of 7 mm.
SQ-55:A square type with an inner side of 5 mm.