Yale 700RT-C3-4 Security Barricade Tulip Entry Knob, Polished Brass -- Refine and secure that entry door with the Barricade keyed entry tulip knob from Yale. Easy to install and built to last, this elegant knob feels good in hand while the luster of its polished brass finish dresses up any entryway. The knob top turns smoothly for easy opening and features a flat face design for quick key-insertion. Its dazzling, mirror-like finish offers a bright welcome. Manufactured from high-quality brass and stainless steel, this knob will resist corrosion and operate wobble-free for years of steadfast performance. Its all-metal, adjustable latch means optimal durability and easy installation. And, the unit's backset adjusts from 2-3/8 to 2-3/4 inches for perfect placement amidst a variety of door cosmetics. The versatile spindle length accommodates 1-3/8- to 2-inch door thicknesses. Best of all, installation is a snap, requiring just one screwdriver. --Brian D. Olson Product description Style: Tulip. Finish: Polished Brass. Material: Steel. Grade: 3 Grade. Door Direction: Left Handed, Right Handed. Maximum Door Thickness: 1-3/4 in. Residential. Knob Style: Round. Backset Dimension: Adjustable 2-3/8 to 2-3/4 in. Indoor and Outdoor. Number of Keys Included: 2. Lockset Type: Keyed. Minimum Door Thickness: 1-3/8 in. Keyway: KW1. Features Keyed entry tulip knob for residential entries All-metal, adjustable latch for durability and easy installation Backset adjusts from 2-3/8 to 2-3/4 inches for a wide variety of door styles Spindle length accommodates 1-3/8- to 2-inch door thicknesses Simple installation with screwdriver only 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.