The present invention relates to a molded article comprising a polypropylene composition, wherein the polypropylene composition comprises comonomer units derived from ethylene in an amount of from 0. The antenna element includes a first feeder for feeding the antenna element in a first polarization direction, and a second feeder for feeding the antenna element in a second polarization direction. A stopping head is formed on a rivet die of the fastener driving tool for keeping the rivet die in a chamber of the fastener driving tool and for limiting a distance the rivet die will travel.