VEVOR Pipe Stair Handrail, 5FT Staircase Handrail, 440LBS Load Capacity Carbon Steel Pipe Handrail, Industrial Pipe Handrail with Wall Mount Support, Round Corner Wall Handrailings for Indoor, Outdoor

You can just use the provided screws.

Based on the product description, it is quick and easy for one person to install this handrail. The kit comes with all necessary parts and pre-drilled holes for straightforward mounting, requiring only measuring the desired length before installation.

Based on the product information, it does not seem to provide details on whether the handrail can be cut to a desired length. However, the wall mount supports come in a pack of 3, which may allow for some adjustability in the installation to accommodate different length needs.

The product description states it is crafted from carbon steel with a matte black finish treated with a 100μm outdoor-grade spray coating to resist scratches and corrosion.

Yes, the package includes three wall mount supports to securely attach the handrail to the wall.