"In it was a small pair of brass scales"

The third horseman as depicted in the Angers Apocalypse Tapestry (1372-82)
GNU Free Documentation LicenseThe third horseman as depicted in the Angers Apocalypse Tapestry (1372-82) - Credit: Kimon Berlin (user:Gribeco)
The third Horseman of the Apocalypse rides a black horse and carries a pair of scales. Although he is not named, he has come to be identified with as Famine. The scales are said to be used when measuring rations during times of famine.

Sable means black.