... specifications of 4*12 size: 4mm*12mm brand: 4*12 alibaba aluminum blind rivetmaterial: aluminum, aluminum alloy, stainless steel, copper and ... lumeicolor: red, black, yellow, blue, green, white and so on3 alibaba gold supplier aluminum solid rivet 3.2*64*64.8 ... consumer trust units quality of trust units advanced tax units alibaba gold supplier5 inspected and tested6 free samples, high quality7 fast ...