SOR (or other) interior tire mounts

[SKULLYOTA]

It's 9* outside, and I don't know if i wanna go out to the garage to measure myself...

but does anyone have a good pic of what these mount to? are some factory holes there or just drill new ones?

Are they any good otherwise? Worth just making my own?

Tucker74's pic:

 

[scrapdaddy]

I bought one and never used it. It just bolts to new holes you drill in the body. I didn't like it, so I went with a cage type and bolted it to the floor. You can make a better one easily. I didn't know what they looked like or I'd never would of bought it.