Wall Hanger Bracket Single Box Rail Max Weight (Lb.) 450 lb Steel - Galvanized Finish Length (In.) 4 9/16 in Height (In.) 2 3/16 in Width (In.) 2 in Depth (In.) - Max Wheel Dia (In.) - Roller Width/Dia (In.) No Roller - Mounting Mounting Hole Size (In.) - - Bearings Steel Hardware Included Requires - For Use With Doors Weighing Up To 450 Pounds