Medium base Leviton Lipped Porcelain socket

They were perfect, love it.

The product was ok. It didn't work for my application.

The socket is of excellent quality; however, it does not fit my application because the socket is too large in diameter. I mistook the stated 1.5" dimension to be the overall diameter, including the collar and not excluding the collar. I will be using a collarless porcelain socket in its place.