3/8" Galvanized hog rings Works great on sausage casings and bag closures, repairs fences, traps, cages. Can also be used on upholstery, shock cord, and a variety of other uses. 500 count bag (12 ozs.) Weight counted. Legs of fastener bypass during closing. Closed inside diameter of 3/16" to 1/16" depending on how hard they are squeezed.