... /Bolt/Nut/Screw/Marble accessoriesApplication for Decoration:1) Material of stainless steel: grade: AISI 201, 202, 301,304, 304L, 316.etc.2 ... ,19,20,22,23,28,29, 31.8 ,35,36,38,45,47,48,50.8,60,63,76 88.9 ... Time: 7-20 days after the confirmation of the deposit stainless steel coil