N 6661 Closet Door Guide/Carpet Riser, Bi-Fold Door, Nylon, White, Unfinished Finish, Shaft Length 1-1/4 in, Length (In.) 3 3/4 in, Height (In.) 9 23/64 in, Width (In.) 3 3/4 in, Depth (In.) 1 1/4 in, Wheel Diameter 1 in, Roller Width/Dia. (In.) No Roller, Door Mounting, Mounting Hole Size (In.) 3/16, Steel Bearings, Number of Wheels 0, Steel, Hardware Included, Requires Hardware, For Use With Closet Door