Keehui 2 Pcs 316SS Heavy Duty 1 ID Bimini Top Cap External Eye End Boat Fittings Marine Hardware, Fits 1" OD Round Tube. Manufacturer keehui. Upgraded Bimini Top Parts - Casting from marine grade 316stainless steel, this external eye ends for bimini top fittings works for 1" OD round tubes.
eBay