Aluminium Spacer for Insulating Glass Material: 1060 6A,9A,12A,16A.. Aluminum spacer for hollow glass SIZE:6A,9A,12A,15A,16A,18A,20A,24A,29A Surface Process : Mill Finish,AnodizingPackage:Carton Box packageprovide OEM product..Material: 3003Surface Process:Mill finished,Color anodizing