Design House 753038 Cambridge Universal Latch Privacy Door Knob, Adjustable Backset, Oil Rubbed Bronze Finish Product Description The Design House 753038 Cambridge Universal Latch Privacy Door Knob is finished in oil rubbed bronze and designed for left or right hand doors. This knob fits the two most common backsets in the U.S. (2-3/4-inch and 2-3/8-inch). The flat ball handle fits comfortably in your hand and the bronze finish matches your home's decor. With privacy in mind, this product locks from the inside with a turn-button and does not include keyed cylinders. Privacy knobs are often used on bedrooms and closets and are opened with generic tools. Use this knob on standard 1-3/8-inch and 1-3/4-inch thick doors.his product has a 1-inch drive-in latch, 2-1/4-inch radius corner face plate, and square corner face plate, and 5-pin security. If you are preparing your door for installation, the cross bore should be 2-1/8-inches in diameter and the edge bore should be 1-inch in diameter. This product is ANSI Grade-3 certified, which means this knob is rated for residential security. Design House offers products in multiple home decor categories including lighting, ceiling fans, hardware and plumbing products. With years of hands-on experience, Design House understands every aspect of the home decor industry, and devotes itself to providing quality products across the home decor spectrum. Providing value to their customers, Design House uses industry leading merchandising solutions and innovative programs. Design House is committed to providing high quality products for your home improvement projects. From the Manufacturer The Cambridge Series features flat ball styling to fit comfortably in your hand and blends into a variety of today's decor options. Features Finished in oil rubbed bronze and designed for left or right hand doors ANSI Grade-3 Certified for residential security Fits 2-3/4-inch and 2-3/8-inch backsets; Fits 1-3/8-inch and 1-3/4-inch thick doors Privacy Lock; locks from the inside with a turn-button and feature clearance hole on outside knob/lever to permit emergency release with a nail or like object. 5-Year limited mechanical/5-Year limited finish warranty USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.