ITEM NAME:Boat Hand Rail Fittings 90 Degree 1'' Round Base Marine Stainless Steel Description: Round 90 degree rail base includes 3 pieces screws Materials: marine grade 316 stainless steel Tube Inner Diameter: 25mm (1 inch); Base Diameter: approx. 69mm/ 2.7 inch For quick and easy installation of 25mm(1 inch) outer diameter stanchions Perfect for sailboat and powerboat railings Package Includes: 1 Piece Boat Rail Round Base 3 Pieces Screws SKU: ALU0014985966003660.Perfect for sailboat and powerboat railings. Round 90 degree rail base includes 3 pieces screws. 1 Piece Boat Rail Round Base. Materials: marine grade 316 stainless steel. 3 Pieces Screws.