(1)Material : aluminium alloy, SS, ect (2)Sizes: 2.4, 4.0, 4.8, etc (3)Open/close end Dome, countersunk, large flat head, etc(1)Material : aluminium alloy, SS, ect(2)Sizes: 4.0, 4.8, etc(3)Open/close end Head typedome, countersunk, large flat headMaterialaluminium alloy, SS, ectSizes4.0, 4.8, etc Color Blind Rivet