Rousso&rsquo;s Reproductions Two Crystal Glass French Door Knob Sets with Self-Centering Spindle and All Hardware to Install Knobs on Both Sides of Two French Doors (Brushed Nickel) GENUINE Crystal Glass Knobs 2 inch diameter SOLID BRASS ROSETTES (rather than plated steel) with premium finish and no exposed screws AVAILABLE in surface mount where faux dummy knobs are needed SIMPLE DIY INSTALLATION with detailed instructions and all mounting screws included FITS standard 1-3/8 to 1-3/4 inch thick doorscustom length upon request