Woodlink Slot n Pin Single Horizontal Rail Deck Clamp (SP7) will provide one opening for slot n pin accessory and it will allow you to mount on deck rails horizontally. It's made from sturdy powder-coated steel to guarantee that it can withstand any kinds of weather. It's very easy to use and it can be installed in a couple of minutes. Get one now and create a beautiful outdoor setting.
I wanted to hang a humming bird feeder on my front patio. I cant' hang anything on the walls on the walls or ceiling, only on the railing which is metal. the Deck clamp worked great along with the hangar that fits into the clamp. Very happy . It works great.