Small plastic rivets whichmay be used as a quick and cheap alternative to screws and nuts for holding together panels PCBs onto brackets and chassis etc providing the fixture is reasonably permanent. The rivet comes in two parts the head and sleeve. The sleeve pushes through holes in the items to be attached and the pin is pushed into the sleeve. The insertion of the pin makes the sides of the sleeve splay out providing a secure grip.Requires 3mm minimum hole diameter.Supplied in packs of ten.