Metal bi fold doors
A quick learner from CHICAGO says:
April 27, 2015
missing the bottom end glide the photo is from another door that is in condo. Thanks Eric
Paul from SWISCO responded:
April 28, 2015
Thanks for posting, Eric. Looking at your picture, I'm leaning to our 21-108 bi-fold door guide. Check it out and let me know what you think.