... or exceed DIN, ANSI,ISO,BS,JS standard. Our Offset Link and Connecting Link :Color: black,blue,or other ... optionalSize: 35,40,2040,41,50,2050,50H,60,60H,80,80H,100 ... 1035,1045 or 1050Through harden with surface and core 40-45HRCShot peening per the specBUSHINGSolid or Split Bushing per ... 45HRCShot peening per the spec chain link connecting link offset link