I believe you project will require eight of these kits which contain two top rail and two bottom rail brackets. However, please take into account that the EZ Handrail 6' and 8' kits come with two top rail and two bottom rail brackets. These brackets are only needed when you cut a railing section into two separate sections. I believe your stairs will require three pivot mount kits (model# EZPMB). Thank you for your question, Dan H. (EZ Handrail Dev. Team)
Willie, we do not offer any brass components at this time. Thank you for your question, Dan H. (EZ Handrail Dev. Team)