Clean, Tailored Style - Our Waldorf door knobs and New York back plates add a touch of elegance to any home décor; The elegant crystal knob and long plate work together to create a distinctive look that will last for years Premium Presentation - Available in multiple beautiful finishes, our interior door knobs are designed to add a touch of luxury and sophistication to any space whether you favor modern, vintage, or traditional interior design Exceptional Craftsmanship - Crafted to the highest standards and constructed from hot-forged brass, our New York plate and crystal interior door handles are solid, durable, and distinctive Easy Installation - Ideal door accessories for anyone interested in DIY home improvement, our indoor door knobs are simple to install and come with pre-mounted knobs and levers; Includes complete doorknob set for 1 door (both sides) Historically Inspired Hardware - Known for making products honoring the past, Nostalgic Warehouse has stayed true to its mission of providing vintage-inspired designs and demonstrating exceptional craftsmanship for over 40 years Traditional mounting for vintage or new doors. Two Dummy Knobs Coordinates with Nostalgic Warehouse's Premium Grandeur line Door thickness range is 1-3/8-Inch to 1-3/4-Inch Mortise lock versions available for vintage doors 3-Year mechanical and finish warranty