Socket 15 Mm., Matl. & Spec.: Material To Aisi - 304 And Other Requirements As Per Is:1 239 (Pt. 2) / 2011, Rev. 5, With Amend. 3/ March 2016, Or Latest, Threads: Iso 7-1 / 1994. [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]