Rousso&rsquo;s Reproductions Fluted Crystal Glass Door Knob Set Affordable Do-It-Yourself Kit for Modern Doors Includes Installation Hardware (Polished Chrome) (2-3/8 Passage) GENUINE Crystal Fluted 12 Point Glass Knobs 2 inch diameter SOLID BRASS ROSETTES (rather than plated steel) 2-1/2 diameter with premium Polished Nickel Finish HEAVY DUTY LATCH 2-3/8 Backset Fits all doors 1-3/4" to 1-3/8 thick (2-3/8" backset upon request) DIY INSTALLATION with Detailed instructions and all mounting screws included GUARANTEED satisfactionPersonal customer service