GE General Electric 5615-4 Fat Boy Threaded Catch Pull Chain Brass Shell Lamp Socket and Body with 5628-4 Threaded Catch Cap. New Old Stock NOS from the 1950’s or 60’s. There is no packaging included, picture of box is to show where they came from. Please note the cap is threaded is 3/8” FIP, which is larger than most lamps that use 1/8” threads. Shell has threaded ring for attaching, as well as UNO threads for a shade. This is for one socket only.