Alno Features: Covered under Alno's Limited Unlacquered Brass Finish: This finish PB/NL is a ''living finish''. Over time, living finishes may develop a patina by use or rub-off, and coloration changes will occur in a natural process unhancing the color. Alno, INC is not responsible for coloration changes on ''Living'' finishes Acrylic ring with solid brass mounts for high durability Mounting hardware is concealed for a sleek, look Coordinates seamlessly with the Contemporary Acrylic collection Premium finish resists rust and tarnish through daily use Product Technologies: Concealed Installation: This product features a concealed installation, with no exposed exterior screws. Screws go through from the interior of the cabinet or drawer directly into the hardware, ensuring they are well hidden when your cabinet is closed Specifications: Diameter: 6'' Depth: 2-15/16'' Height: 6'' Material: Brass, Acrylic