Made of 304 Stainless Steel for durability and resistance to rust and corrosion, suitable for rough weather at sea. It is very durable and long-lasting, the surface of the 3- ways connector has been well polished, which has a mirror-like appearance. Easy to Install, the 3- ways connector can install a Bimini top or handrail on your boats, yachts, kayaks, etc. Dimensions: Suitable for 7/8” (22mm) stainless steel pipes. Package Includes Pack of 2 MARINE CITY Tee Connector Hand Rail 45°Fittings 3-Ways for 7/8'' Tube Marine Grade Stainless Steel Heavy Duty Boat Hardware (Mounting Screws Not Included).