Bralo dome head aluminium multigrip rivets bralo 1080004810 these dome head multigrip blind rivets from bralo have an aluminium body and a mandrel made from zinc plated steel multigrip rivets offer a wider gripping range than standard rivets these pop rivets have a thread of 48mm and are 105mm long bralo 1080004810 dome head aluminium multigrip rivet 48mm x 105mm pack 250