Closet Door Roller, Bi-Fold Door, Max. Weight (Lb.) 60 lb, Nylon, Silver, Unfinished Finish, Shaft Length 1-1/8 in, Length (In.) 2 1/4 in, Height (In.) 7 7/16 in, Width (In.) 3 13/16 in, Depth (In.) 1 1/8 in, Inside Dia. 1/4 in, Outside Dia. 1 1/8 in, Wheel Diameter 13/16 in, Max. Wheel Dia. (In.) 1 1/8 in, Roller Width/Dia. (In.) 7/8 in, Door Mounting, Mounting Hole Size (In.) 3/16 in, Steel Bearings, Number of Wheels 3, Steel, Hardware Included, Requires Hardware, For Use With Closet Door