Blind rivets 1.Type:open end,dome head 2.Material:5050# Aluminium rivet body,Steel mandrel 3.Size: ... 4.8x30mm 4.Finishing: ZP Aluminium Blind rivetsType:open end, dome headMaterial: 5050# Aluminium rivet body, Steel mandrelSize: 4.8 x ... choice, as follows:MaterialAluminium, steel, stainless steel, CopperTypeopen/close end, dome/flat headFinishingZinc plated, polishing, coatedDia.3.2 mm, 4.0 ...