1.Specifications:A series chain:ISO/ANSI:35-160,B series:ISO/DIN:04B-72B 2.All with Sipmlex/Duplex/Triplex 3.Colors available:Natural,Yellow,Blue,Gold,White,Black,etc.4.Materials:Carbon steel/40Mn,Stainless steel5.Packing:various Packing,box/roll chains