stainless steel ferrule for food qualtiy material is 304 or 316L standard :SMS , 3A, ISO Type: stainless steel ferrule,link,stainless steel ferrule ,castingMaterial : stainless steel (304, 304L, 316,316L)Standard : DIN , SMS, ISO , 3AOutter package : as per customer we can make according to your drawing .Application: beer , food , dairy food , cosmetic , pharmacy .