Material: The handrail bracket is made of high quality 201 stainless steel. Excellent quality, sturdy and durable. The surface is made of anti-rust black paint, exquisite and elegant. Dimensions: distance from the wall after installation: 6 cm, height of the handrail: 6 cm, base diameter: 5 cm. Easy installation: Simply tighten the stainless steel screws to screw into the stair railing (screws included). The stair handrail bracket is made of high quality stainless steel, durable and not easy to rust Durable. Round modular railings provide a simple solution for all your stairs, garage stairs, driveways and hallways, basements, garden stairs and interior railings Specifications: Color : Black: Package Contents: 4 armrests. Note: The data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail .