Features: Designed to be paired with Alno cabinet knobs Constructed from solid brass for long lasting durability Coordinates with the Traditional series from Alno Complete with a Limited Lifetime Manufacturer Warranty 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 Product Technologies: Solid Brass Construction: This product begins with raw bars of solid brass which are heated, and pounded into specially made dies--producing a stronger, more substantial product. The difference between lesser metals and heat forged brass is noticeable the minute you hold it in your hands—solid brass is heavier, smoother, and naturally resists corrosion. Specifications: Diameter: 1-3/4'' Projection: 1/8'' Quantity: 1 Material: Brass Product Variations: A815-1P: 1 Inch Knob Backplate A815-38P: 1-1/2 Inch Knob Backplate A815-14P: 1-1/4 Inch Knob Backplate A815-45P (This Model): 1-3/4 Inch Knob Backplate A815-34P: 3/4 Inch Knob Backplate