Inspection device

An accommodating container (1) includes a container body (22) having a accommodating space (21), a plurality of rod-shaped bodies (23A) provided in the accommodating space (21), wherein each of the plurality of rod-shaped bodies (23A) is arranged in the first direction (D1), and is supported by the container body (22) in a cantilever state; and the plurality of rod-shaped bodies (23A) are arrangedin the second direction (D2) and the third direction in plural respectively. An inspection member (41) includes a light projecting unit (41A) and a light receiving unit (41B) in a state where the light projecting unit (41A) and the light receiving unit (41B) are arranged in the second direction (D2); the light projecting unit (41A) projects strip-shaped detection light having a width in the thirddirection to the light-receiving portion (41B); and the light projecting portion (41A) and the light-receiving portion (41B) are disposed at a position in the first direction (D1) between the light projecting portion (41A) an