Smooth, quiet operation, outstanding durability and easy installation. Load bearing capacity & vertically and laterally adjustable. Includes 2 track stoppers with adjustable retention spring. Hafele’s excellent quality sliding door hardware Hawa Junior 80/Z set made in Switzerland, with load-bearing capacity 176 lbs. And door thickness 1, is extremely durable. The two-way suspension allows inserting and removing of the door leaves in two ways: side-mounted or mounting from the front. Door height and side adjustable. With smooth quiet operation, extremely durable, rattle-free bottom guide, easy installation, vertically and laterally adjustable & doorstop with adjustable retention spring. The set’s included components are 2 pcs aluminum double roller running gear, 2 pcs two-way suspension plate, M10 bolt, and mounting screws, 1 pc floor mounted guide, rattle-free, 2 pcs track stopper with adjustable retention spring, 1 pc wall buffer and 1 pc steel height adjusting pin.