ITEM NAME:Marine Grade Stainless Steel Boat Yacht Handrail Fittings 90 Degree Tee 1" Description: Materials: Marine Grade 316 Stainless Steel Round Hole Inner Diameter: 25mm/ 1 inch Height: 5.4cm/ 2.13 inches Surface polishing For pipe: 1'' Package Includes: 1 Piece Boat Handrail Fittings Tee.1 Piece Boat Handrail Fittings Tee. Materials: Marine Grade 316 Stainless Steel. Surface polishing.