aluminum hinge of high quality and competitive price as well as excellent service. ISO9001:2008,RoHS, C.E. certificates Aluminum Hinge(hardware,door hinge,door hardware)1)Material: Zinc Alloy 2)Size:130mmL × 130mmW 3) Finish: SNB(Satin Nickel Brushed), SC( Satin Chrome),SN(Satin Nickel),AB(Antique Brass), etc