High quality security door chain with PU leather DDDG003 Product made in China. Material:Stainless steel/Zinc alloy Size:130x35mm Stainless steel finish: SS ... , PSS, BP, GP, AB, AC Zinc alloy finish: BP, CP, NP, SCP, SNP, GP, AB, AC ... applications. Approved supplier of ASSA ABLOY, KABA, GEZE on door hinges and door handles ---Certification on CE & UL ---Fire rated standard/EN ...