... thickness : 2.42mm4)color : nature,black,blue,yellow5)factory price 6)standard:ISO/ DIN /ANSI7)good quality with best delivery ... ,2050,2052,2060,2062,2060H,2062H,2080,2082,2080H5)agricutual chain:ZGS38 series, 212A(2060) with attachment series, 6)simplex ... ,double,triplex chainsThe chain technic is as bellow1)shot peening2)bluing3)phosphating4)nickel-plated5 ...