A sandstone pestle. One end is blunt and the other end is more pointed. The pestle narrows in the middle.
From Nuri, Pyramid XII F.D. "SW" corner. 1917: Excavated by the Harvard University-Museum of Fine Arts Expedition; assigned to the MFA in the division of finds by the government of Sudan.
Harvard University—Boston Museum of Fine Arts Expedition
Nubian, Napatan Period, reign of King Aman-nete-yerike, 418–398 B.C.