Adjustable base allows railing to be placed in multiple angles. Easy to install, will attach to any wall or flat surface. This Exclusive Contemporary Heavy Duty Adjustable Handrail Bracket. Installation is straightforward with the use of a drill, screws and hex head key. Hevy duty construction and tested to extremely high level of safety. Easy adjustability and tightening, perfect for inclines such as stair rakes and ramps., Manufacturer: Affordable Stair Parts