Set includes one paper insulator and one cap liner for medium base turn knob Fat-Boy socket. Fat Boy sockets have a larger base than more modern sockets and are found equipped on early lamps and fixtures.

Measurements: The insulator is for medium base sockets and measures 

1 3/16 inches top inside diameter, 1 9/32 inches base inside diameter, and is 2 inches tall.  The paper socket cap liner is 1.23 inches in diameter.

Condition: New

✓ Free domestic shipping

✓ Uses standard medium base sockets: incandescent, LED, or CFL

The piece is subject to availability, as it is being sold at other venues.

Please feel free to contact us with any questions you may have.

Thank you for shopping at the Vintporium.