Johnson Hardware 4-Panel Bi-Fold Door Hardware Set, 60 Inches 100fd604

For door panels 1-1/8 to 1-3/4 in thick,18 in x 108 in W, weighing up to 75 pounds per panel. Designed to carry heavy solid core doors. Patented in tricycle in hangers with large ball bearing wheels, ride smoothly and quietly on convex shaped rails with precision single point contact. A quick disconnect clip system facilitating easy mounting or dismounting of door panels. 14 to 16 ga zinc trivalent plated steel parts. Set contains (1) 100 track length, (2) 107 top pivot set, (1) 1125 door hangers, (1) 1155 track stop, (3) 1606 hinges, (1) 1706 bottom pivot, (2) 1011 pivot bracket, (1) 1808 door aligner, (2) 33 door knob and (1) 1712 adjustment wrench.