... )plate thickness : 2.42mm ANSI 60 A series simplex roller chains(12A-1R)1)material : ... wooden case,also can packing as your requirementMain products as the following1)roller chains: A series ... series (9.525-50.8mm pitches)and the heavy series2)motorcycle chains :415,420,428,428H,520,530,630,25,25H3)short ... ,2080H5)agricutual chain:ZGS38 series, 212A(2060) with attachment series, 6)simplex,double,triplex ...