NEW NICKEL PLATED FINISH 3 TERMINAL SWITCH TURN KNOB LAMP SOCKET 

 SWITCH HAS 3 SCREW TERMINALS (GOLD,SILVER AND BLACK)

TURNS TOP LIGHT ON, THEN BOTTOM LIGHT, THEN BOTH, THEN OFF 

ALLOWS TOP AND BOTTOM TO LIGHT SEPARATELY OR TOGETHER

CAP FITS 3/8" LAMP PIPE AND HAS 1/8 IP THREADS WITH SET SCREW

INCLUDES SHELL,CAP AND 3 TERMINAL SWITCH

KNOB IS REMOVABLE

***THIS SOCKET IS USED IN LAMPS THAT HAVE THE NITE LIGHT IN THE BOTTOM