silver electrical rivet face material: Ag,AgNi,AgCdO,AgSnO2,AgSnO2InO3,AgZnObase material: Cu,CuNihead dimension: 1.0mm-10.0mmsilver thickness: 0.15mm-solidshank dimension:0.6-4.0mmcontact type: rivet/buttonplating type: Ag,Aucertificate of SGSAll di