This post mount handrail bracket is made of 316 grade stainless steel and has a brushed (satin) finish. It is designed to hold two tubes of 1.66" diameter tube at 90 degrees. The horizontal tube is fixed in place with two screws and the vertical tube is fixed in place with adhesive - see item# LB-00201 and item# 00211.
Clean with a non-abrasive metal cleaner. Apply with a soft, damp cloth.
Consult local building codes for rail height, wall offset and other requirements.