-1/4-20 x 3-3/4" eye bolt (industry standard is 1/4 pitch threads on the camera mount)
-1/4-20 nylon wing nut
-1/4 x 4" eye bolt
-3x 7/16" flat washers
-1/2" x 1" hex bolt & nut
Dollar total for this is $2.69 including tax.
These are the cheaper zinc coated parts so they will rust. Spray with the rustoleum product of your choice. I splurged & used their bumpy autumn brown stuff.