Sea-Dog Bimini Top External Stainless Steel Eye EndThese corrosion-resistant investment cast 316 stainless steel eye ends connect to tubing and create an attachment point as part of a bimini top system. Investment Cast 316 Stainless; Top Cap; Available to fit over 2 sized tubes; Dimensions:270100-1 Tube O.D. 7/8"; Pin Size 1/4"; 270101-1 Tube O.D. 1"; Pin Size 1/4";