Samsung GH81-24339A is double-sided adhesive tape for the upper part of a display assembly. It is a service replacement part intended for display assembly work on compatible Galaxy Tab A9 tablets.
The listing identifies the part with Samsung's description SVC JDM-TAPE_OCTA UP_SM-X115_SVC and names the Galaxy Tab A9 SM-X110 Wi-Fi model and SM-X115 Wi-Fi + 4G model. Its purpose is to provide the adhesive tape used at the upper section of the display assembly during repair.