... welding and the smooth surface,this chain may usually used in ringing equipment stainless steel link chain1).size:4MM 2).Material: ... without welded4).Grade:G305).Useing: hanging down,shopping basket,chain lock,lever block6)Standard:Japanese standard,Australia standard,DIN766,DIN763 ... ,smooth surface8)Packing:gunny,plastic backet,carton,steel drunm with the gunny bag~~~ Korean Standard link Chain