Food Grade Metal Swing End Cap: 1.SS, PP, rubber 2.Dia of cap: 25mm 3.SGS certificate 4.100% quality guarantee Food Grade Metal Swing End Cap Metal swing end cap consists of high strength stainless steel wire, ball cap and shaped gasket.Wire: dia 2.8 high strength stainless steel wire, bended by machine, uniform demension, smooth surface, metal elements contained comply with food tableware grade. ...