Non Magnetic Stainless Steel Bolt And Nut Set 12Mmx75Mm Length, Fully Threaded, With 2 Plain Washers Of Thickness Not Less Than 1.5Mm, One Spring Washer Of Size 2.5Mm, Chuck Nut And N Ut Complete Set All Items Should Be Stainless Steel Of Aisi 302 Grade A2 Property Class Conforming To I S:1367. ]