The present invention treats as a problem the provision of a retaining jig, a handling jig, a set of retaining jigs, and a retaining device for adhered material, with which it is possible to easily detach almost all of the adhered materials which are adhesively retained regardless of it being possible for the adhered materials to be adhesively retained as desired. The invention of the present application which is intended to solve the problem relates to: a retaining jig (1) comprising a jig main body (2) and an elastic member (3) which is disposed on the obverse face of the main body (2) and which has a maximum roughness Ry (JIS B-0601-1994) of 1.0-6.0 µm; a handling jig comprising the retaining jig (1) and a detaching tool; a set of retaining jigs comprising at least one retaining jig (1); and a retaining device for adhered material comprising the set of retaining jigs.
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