This brass plated lamp harp with bottom plate is a heavy duty option for those in need of a sturdy lamp harp.
Standing at 14 inches tall, not including top threads, it is a suitable size for most lamps. The harp base slips onto a 3/8" lamp pipe and the top has 1/4-27 threads for finials.
This product can be found on eBay and is a bargain for those in search of a quality lamp harp.