1.Our product name is Japanese Type Chain 6mm. 2.The main material is 304 316 316l etc. Product name Japanese Type Chain 6mmIt is stainless steel link chain1).size:6mm 2).Material:AISI304/316/316L.etc.3).Strature:welded or without welded4).Grade:G305).Useing: hanging down,shopping basket,chain lock,lever block6)Standard:Japanese standard,Australia standard,DIN766,DIN763,DIN5685,Korean standard, ...