Here's a shot of a repro I bought couple years ago I believe from American Classic. Once you click on the following link, there are a couple other shots you can click on. Mine also works with the straight rail that is bolted to the bottom side of the bed.

http://community.webshots.com/photo/114973575/114973575pUdYxE

Craig

My '50 Chevy 3100 5 window, '62-235cu, 3:55 rear
My truck ....... Respect The Rust
If I'm not working on my truck, '65 m00stang or VW camper, I'm fishing with the wife or smoking Salmon.