In the secondary stone chamber, 212 iron halberds each with a shaft were placed in the way that about each half of them were placed with their tips against one end of the room.
副石室は、副葬品を納め、212本の茎式鉄矛、これらの鉄矛は、約半数ずつ石室の両端に鋒（きつさき）を向け合った形になっていた。