Description

Heavy cast bronze or aluminum point base to mount directly on steel beam or on top wall terminal outlet No. 643 and No. A643 — over 3 square inches of surface contact — four holes for mounting with 1/4” diameter screws. Overall dimensions – 2-1/4” x 2-1/4” x 1”.
Specify diameter of point — 3/8” or 1/2”.
Adapter required for 5/8” threads.