Now you can replace top and botton Ferrules effortlessly with no glue or pins. This unique interior rib design provides easy on installation with stay on performance. The wear restistant nylon construction features corrosion restistant and chemical restistant material. Eliminates cup marking and provides superior long life. Supplied in Non Fade Black. To Install simply cut off existing ferrule, debur the edge, insert flagstick,then manually press on. The ribs with automatically seat and grip tight the flag pole. Fits most flag poles