Lamp holder with screws for lampshades with a neck not exceeding 57mm
Decorative brass holder for tulip-shaped lampshades that require screw fixation
These types of glass lampshades have a concave neck
Includes three side screws
At the top, it has a 10mm hole
Measurements: 57mm effective inner diameter x 14mm effective inner height x 60mm outer diameter x 24mm outer height