... (12A-1R) 1)material : 40mn 2)pitch : 19.050mm 3)plate thickness : 2.42mm ANSI 60 A series simplex roller chains(12A-1R ... )1)material : 40mn2)pitch : 19.050mm3)plate thickness : 2.42mm4)color ... ,2060H,2062H,2080,2082,2080H5)agricutual chain:ZGS38 series, 212A(2060) with attachment series, 6)simplex,double,triplex chainsThe chain technic is ...