I have up for sale one Tulip shaped mount, it is measures about 2.75″ square.  I have about 100 of these available but this auction is for only one.  If you have any questions I would be happy to answer them.  I bought out a railing shop so please see my other listing as I will be listing some of the items I bought
.  Buyer pays shipping I am selling this as is.  Good Luck