B&P Lamp Turn-Knob 3-Way Phenolic Socket, Med. Base, has Threaded Shell with Ring
Brand: B&P Lamp

Turn-Knob 3-Way Phenolic Socket, Med. Base (E26), 1/8IP cap, has threaded shell with ring, 250W- 250V, 4-piece set, with screw terminals.

This is a medium base (E26) phenolic socket that includes a shade ring.
It has a 3-Way interior, for 3-Way bulbs, with screw terminals that is rated 250 watts and 250 volts.
The bottom cap is threaded to accept a 1/8 IP rod or nipple.
This socket is UL and CSA listed.
It consists of 4 pieces: a top cap, a bottom cap, an interior, and a shade ring.