a flagpole ball ornament comprising opposed , hollow , hemispherical parts interfitted to each other at a circular rim formed on one of the parts and interconnected by an elongated diametral rod - like brace member . the brace member is internally threaded at opposite ends for receiving a machine screw to connect one of the hemispherical parts to the brace member and the opposite end of the brace member receives an all - thread member for connecting the ball to a support post member . the brace member may include , alternatively , a bolt clearance bore for receiving an elongated bolt for connection to the post member .