Door Top Roller, Bi-Fold Door, Max. Weight (Lb.) 150 lb, Nylon/Steel, White, Plated Finish, Length (In.) 1 63/64 in, Height (In.) 7/8 in, Width (In.) 3/4 in, Depth (In.) 1 63/64 in, Roller Width/Dia. (In.) 1-1/2 in, Door Mounting, Steel Bearings, Number of Wheels 0, Steel, Hardware Included, Requires Hardware, For Use With Bi-Fold Closet Door