By-Pass Closet Door Track Set, Sliding Door, Max. Weight (Lb.) 100 lb, Steel; Plastic; Nylon, Metallic, Zinc Plated Finish, Length (In.) 71 in, Height (In.) 1 in, Width (In.) 2 in, Depth (In.) 2 in, Inside Dia. 13/64 in, Outside Dia. 49/64 in, Wheel Diameter 49/64 in, Max. Wheel Dia. (In.) 49/64 in, Roller Width/Dia. (In.) 49/64 in, Surface Mounting, Mounting Hole Size (In.) 13/64 in, Plain Bearings, Number of Wheels 4, Steel, Hardware Included, Requires 2 Doors (36 in Wide)