Prime-Line Products N 6729 Bi-Fold Door Guide Rod, 5-5/8-Inch
Amazon Price: $4.49 (as of September 21, 2020 5:46 am –
This bi-fold guide pin is constructed from steel. It features a 1/4 in. diameter steel rod with a 3/8 in. nylon cap. This spring loaded design is used on steel frame bi-folding doors.