Brass 2-Way Lamp Armback with Blind Top, 1/8F x 1/8F (21149U)

Brass 2-Way Lamp Armback with Blind Top, 1/8 Female x 1/8 Female 3/4" dia x 3/4" Ht. Brass 2-Way Lamp Arm Back or Lamp Coupling with Blind Top, 1/8 Female base x 1/8 Female side, unfinished turned brass