BYOI - Bring you own insulator
This attractive, contemporary PLA (plastic) lamp base fits the following glass insulators:

• Hemingray-10
• Hemingray-12
• Hemingray CD 121, AM. TEL.&. TEL.CO. (American Telephone & Telegraph Company) 

It embraces a unique, modern, industrial, techno look, perfect for your loft or mid-century eclectic décor.
This gorgeous lamp would also be a great accessory for your Lanai or 4 Season porch. And it makes a great addition to any man cave.
The base light uses a 2-watt LED light bulb, available in 4 different LED colors.
It has a 5 1/2 ' black cord with an in cord on / off switch.

Note:

• I recommend green LEDs for Turquoise (green) and blue LEDs for aqua insulators
• The base does not include a LED light bulb. LED light bulbs are available for an extra fee.
• This is a base only and does not include a glass insulator