... Finish:zinc.nickel,black supplier to Bosch Rivets,Blind rivets,steel blind rivets, Blind rivets,steel blind rivets,aluminum rivetsBody MaterialTYPE SizeFinishPacking Aluminiumself-plugging rivet3 ... .8*25BlackStainless SteelOpen Type 3.2*5-5*30PlainRivets(Blind rivets,steel blind rivets,aluminum rivets)