A test object carrying device for use in an appearance inspection device for checking the appearance of the test objects, which includes a back/front reversal unit for turning over the test objects being conveyed by the forward conveying means and supplying them to the returning unit; the back/front reversal means is provided with a first drum for rotating and conveying the test objects unit while holding the test objects on the peripheral surface thereof, and a second drum for rotating and conveying the test objects being conveyed by the first drum while holding the test objects on the peripheral surface thereof; wherein at least one of the first drum and the second drum is structured so that the test objects are transferred in parallel to the forward conveying unit and returning unit by rotating and conveying the test objects while holding them on the peripheral surface thereof.