VEVOR Cable Railing Post, 42" x 1" x 2" Steel 30° Angled Hole Stair Railing Post, 12 Pre-Drilled Holes, SUS304 Stainless Steel Cable Rail Post with Horizontal and Curved Bracket, 1-Pack, Black

The product description states that this cable railing post comes with 30° angled holes suitable for 25° to 35° stairs and 12 holes that fit cable sizes of 0.31 to 0.51 inches. It also includes horizontal and curved brackets compatible with square and round rail styles for customizable angles.

Yes, mounting brackets are included with the post. The product comes with a horizontal bracket and a curved bracket along with fixing screws for installation.

The product description states that this cable railing post is made of SUS304 stainless steel and is suitable for outdoor installations. However, it does not explicitly mention anything about durability in outdoor settings.

Yes, it can be mounted on angled surfaces. The 30° angled hole cable railing post comes with curved brackets that allow for installation on stairs or slopes ranging from 25° to 35°.

The product information does not explicitly mention if professional installation is required. However, it states that the cable railing post comes with pre-drilled holes and mounting accessories, allowing for easy installation and adjustment of the handrail angle during setup.