Close End Blind Rivet 1.Material:Aluminum/steel,Stainless steel,Copper 2.Packing:Bulk,Small box,Plastic bag,DIY Close End ... your requestSurfacePhos,Zinc,Yellow Zinc,Dacromet,Ruspert,Brass or Black Oxide availablePackingSmall box packing,Bulk,DIY packing ,Good quality packing