10 PCS 1-1/2" Square Post Flange Base Metal Floor Flange, Stainless Steel Deck Rail Systems for Fence or Deck Mount 1-1/2" x 1-1/2" Post Fittings This fence post mounting bracket is made of high quality stainless steel, which is rust-resistant and durable, ensuring long-term use. It is suitable for fence posts with a diameter of 1-1/2 inches. The mounting bracket is easy to install and can be used for deck railing or fence. Specification: Material: Stainless Steel 201 Surface Treatment: Polishing Finished Color: Silver 1-1/2" Diameter Handrail Fittings Base Plate Size: 2-1/2"(65 mm) Height: 1-1/8"(28 mm) Metal Thickness: 2 mm Countersunk Mounting Holes: Ø4.5 mm, Fit #8 Decking Screw Set Screw: Tightly fix the round tube to avoid loosening Weight: 3.77 oz(107 g)-1 piece, 2.38 lbs(1.08 kg)-10 pieces Package Content: 10 x Square Tube Flange Base (Fastener not Included) 1-1/2" Diameter Handrail Fittings Height: 1-1/8" , Base Plate Size: 2-1/2", Thickness: 5/64" Countersunk Holes: for #8 screw Material: Stainless Steel 201, Finish: Polishing Used for Wall or Floor Mount Installations