Seamless Steel Tube 25Mm Bore Heavy Duty (Hfs) With Plain End In Length Of 5 To 7 Met Ers. Material And Specification : Is 1239 (Part 1): 2004 Table 5 With Amendt.No.4 Plain Ended Without Socket, Hfs, And Grade : Heavy. [ Warranty Period: 30 Months After The Date Of Delivery ] ]