The X-Ray film cassette  is made of aluminium alloy shape, aluminium plate, ABS engineering plastic, etc. It has many features such as reliable opening, being easy to open and close, being sturdy and durable, etc. when using it, please press the lock switch lightly with double hands, push along and leave slowly, the cassette cover will jump out, turn over the spanner, the X-Ray cassette will be opened. Insert the film, press the cover lightly, the X-Ray cassette will be closed.