Hi James, please view the installation instructions. https://images.homedepot-static.com/catalog/pdfImages/6a/6aa308eb-e282-432a-94bd-59c0aaa95ef6.pdf
Hello, No, unfortunately, we don't have in brown color. we just provide silver. we hope this answer and clarify your question.
Hello, unfortunately, we just care about the product in 1.97" and the ADA just come for 1.97". the ADA piece DON'T comes and it's not available for 1.6" we hope this information clarifies your question and help you.
They are adjustable to the angle of the railing
Hi Daii, thank you for your inquiry. We do offer the handrails in 6 ft and 4 ft on Homedepot.com. I have provided the links below. https://www.homedepot.com/p/Aress-B52-Anodized-6-ft-Aluminum-Handrail-Stair-Kit-A600-011/206839187 https://www.homedepot.com/p/Aress-B52-Anodized-4-ft-Aluminum-Handrail-Stair-Kit-A600-012/206839180 We appreciate your business and look forward to serving you in the future. Thank you for shopping Home Depot!
About 3 and a half inches