Products OthersStanchion Back Stanchion Cap 156-66188-00 P/N:156-66188-00 Tube O.D.: 1"(25.4 mm) Hole Dia.:1/4" (6.3 mm) Wt.(g): 125 With 1/4-28 Set Screws You May Also Be Interested In End 60° Stanchion 156-66351-00 60° Aft Stanchions 956-09751-00 Stern Light 556-10842-26 TANK ADAPTER 587-11043-00