BF-111 is a brass bed ball for an iron bed. The base is made of solid brass with a hollow polished brass ball. The ball portion, while hollow, is made made of a thick brass to resisted being dented or deformed.
The overall height is 2" with a 1 3/4" diameter. The base is 11/16" in diameter and tapped with a 3/8" x 16 thread. Please note that the mounting bolt is NOT included.