High-Quality Material 45 Degree Round Tube Base is made of high-quality 316 stainless steel materials, high hardness, rustproof, strong, and durable. Excellent attainment Mirror shine and glorious craftsmanship, sleek surface, well-polished, a bit well, and good decoration for your boats. Precision design preciseness manufacturing enables stable performance and high reliability have an extended service time. various sizes are available. Original Standard According to the original standard, you can directly replace the old or broken boat hand railing fittings. Beautiful appearance and complete specifications. Widely Use various angles of the tube seat, mostly used for the fixing of the ship railing base, the bus car show handle fixed, and various types of ship yachts. Dimension: 45 degrees round base; Hole Diameter:0.9 inch/22.8mm, suit for 7/8" rail (Mounting Screws Not Included).