BRASS BOTTLE KIT 1" BRN CORD. 
Pre-wired bottle kit with 1" rubber adapter (we also have 5/8" and 3/4") enables you to turn almost any bottle into an electric lamp. 
These pre-wired lamp kits come with: 
 8' brown cord
brass-plated off/on socket with side hole
1" rubber adapter
steel nipple
check ring and knurl nut. 
3/8" threaded bottom hole with set screw that works with 1/8 IPS pipe. 
$2 minimum charge orders less than $20. 
$.50 packing charge for each parts box.