Solid metal sphere, approximately 5.5" in diameter; rusted and worn exterior surface; there is a cylindrical hole that runs all the way through the center of the sphere; the opening at one end is circular with a slight lip, and the interior of the opening has thin threads/grooves that extend about an inch down into the interior of the sphere; the diameter of the circular opening is 1.25" across; the opening at the other end is roughly circular (more irregularly shaped) and smaller than the previous; there is an ovular dent surrounding this opening.