Bi-Pass Closet Track Kit, Closet Door, Max. Weight (Lb.) 60 lb, Galvanized Steel, Mill Finish, Length (In.) 60 in, Height (In.) 1 1/16 in, Width (In.) 59 in, Depth (In.) 1 15/16 in, Wheel Diameter 7/8 in, Max. Wheel Dia. (In.) 7/8 in, Roller Width/Dia. (In.) 7/8 in, Top Mounting, Number of Wheels 4, Plastic, Hardware Included, Requires Door, For Use With 3/4 in to 1-3/8 in Thick, Wood Door Panels, Each Weighing Up to 60 lb