[mushman]

http://www.armstrongnautical.com/

http://www.stainlessmarine.com/single.html

http://www.seamount-mattson.com/single.htm

Here's a few mfg., and 2 of a few articles out there that will give you an idea of how it'll go on.

http://www.diy-boat.com/index.php?op...&Itemid=49

http://continuouswave.com/whaler/ref...eBrackets.html