Vintage 12 1/2" Diameter Galvanized / Bronze Portlight / Port Light / Porthole used This aluminum merriman shackle is

This aluminum merriman shackle is in good condition

The middle shackle has a width of 5/8"

1 of the cleats has had the bolt hole widened

not noticeable

Vintage 12 1/2" Diameter Galvanized / Bronze Portlight / Port Light / Porthole used This aluminum merriman shackle isThe cover is galvanized. The base is bronze. The glass is in good condition however it has come loose from the frame so would need to be redone to fit properly. One dog is slightly bent it still turns and shuts completely. 12 1 2" inside mounting diameter 16 3 4" total outside diameter bolt holes are 1 2" diameter x 3 3 4" width apart 5 3 4" total height with the dogs We can ship.