... steel Size:3.2x6mm Finish:Polishing Stainless steel Blind rivetsType:open end, dome headMaterial: 304# Stainless steel rivet body, 304# Stainless steel ... for choice, as follows:MaterialAluminium, steel, stainless steel, CopperTypeopen/close end, dome/flat headFinishingZinc plated, Color coated, PolishedDia.3.2 mm ...