For doors 1-1/8 to 1-3/4 in thickness, weighing up to 125 lb. Extruded aluminum fascia track, 14-16 ga zinc dichromate-plated steel parts. Track can be cut down to fit any smaller size openings. Set contains one 2610F track length, two 1120 hangers, one 12 door guide, two 1155 track stops, one 1712 wrench.