This formed steel 321 hanger has a laterally adjustable hinge apron that measures 5 3/4 x 3 1/2 inches. The satin coat wheels have a 2 1/8-inch diameter and the door thickness is 1 3/4 to 2 1/2 inches. It has cold rolled steel roller bearings with a 1 3/4-inch diameter and is made for use in number 31 tracks. This hanger comes with one carriage bolt and two flat head stove bolts.