Product Description Experience the timeless elegance and durability of the Classic Rosette with Crystal Clear Door Knob by Nostalgic Warehouse. Crafted with solid forged brass rosettes and genuine lead-free crystal door knobs, these knobs add a touch of beauty and clarity to your doors. The circular shape of the Round Clear Crystal Knob magnifies the stunning facets underneath, bringing the past alive in your space. These door knobs are perfect for both restoration projects and easy installation on modern pre-drilled doors. Measuring at a Rose diameter of 2.5" and Knob diameter of 2.25", they are designed to fit doors ranging from 1 3/8" to 1 3/4" thick. Each knob is hand assembled in the USA with meticulous attention to detail. Backed by a 5-year warranty, you can trust in the solid construction and craftsmanship of these door knobs. Elevate the style of your home with these elegant, durable, and beautiful door knobs. Ideal for homeowners, interior designers, architects, home renovation enthusiasts, vintage and antique collectors, and historic preservation organizations. From the Manufacturer The simple elegance of the Classic Rosette in satin nickel offers beauty and durability that will compliment a variety of architectural styles. Adding our Round Clear Crystal Knob, which features a circular shape that magnifies the beautiful facets underneath, only serves to bring the past alive. All Nostalgic Warehouse knobs are mounted on a solid (not plated) forged brass base for durability and beauty.