more info ....
http://www.gemmarine.com/pdf/75004.pdf
Its #75004.... type that in on the website and you'll find it ..... the website is a bit difficult to find stuff (but I have a hard copy of the catalog [img]images/icons/grin.gif[/img] ) and it makes finding stuff much easier esp. hinges .... they have about 1,000,000,000 different kinds That thru hull is around $30 and its solid stainless (have many different sizes.... [img]images/icons/smile.gif[/img]