1.Type:open end,dome head 2.Material: Aluminium + Steel 3.Size:All size 4. ... and best price Aluminium open end blind rivetsType:open end, dome headMaterial: 5050 5052 5056 5154# Aluminium rivet body, Steel mandrelSize ... choice, as follows:MaterialAluminium, steel, stainless steel, CopperTypeopen/close end, dome/flat headFinishingZinc plated, polishing, coatedDia.3.2 mm, 4.0 ...