EXTENSION ROD HOLDER - STAINLESS STEEL High quality stainless steel angled gimble lock rod holder extension. Enables rod to be extended and angled over the side or stern of the boat. Also useful where only straight rod holders have been installed. Locks into most standard stainless steel rod holderswith a bore size of 38mm or larger.40mm I.D bore at top. Extends 450mm past top ofrod holder that it is inserted into.