ND-Series Tubular Commercial ANSI Grade 1 Heavy Duty Keyed Corridor Door Lever Set Less Small Format Core (Core Options Provided) This ND73BD Tubular keyed Corridor lever set does not include the core cylinder, allowing you to select just the right core for your needs. The corridor function provides push-button locking from the inside and by a key on the outside. When locked from the inside by the push-button turning the inside lever or closing the door will release the button. When the lever is locked by a key it can only be unlocked by a key. The inside lever is always unlocked providing panic proof exiting. With it's ADA compliant 4-15/16" length and 3" projection it will serve you and your customers well. ND-Series locks are for commercial, institutional and industrial use, such as schools, hospitals and factories, where a long life of dependable operation must be combined with a high degree of resistance to physical abuse. Features: Keyed Corridor Tubular Lever Set Less Small Format Core ADA Compliant Reversible Lever Handle Exceeds ANSI A156.2, Series 4000 Grade 1 Locked Lever Torque Requirements Standard Deadlatch with 2-3/8" Backset and Square Corner Faceplate Door Thickness: 1-5/8" to 2-1/8" Steel Latchbolt with 1/2" Throw Specifications: Lever Length: 4-15/16" Lever Projection: 3" Lever Rose Diameter: 3-7/16" For over 90 years, Schlage has been making homes more stylish and secure with the best door locks and door hardware. Today the Schlage family of products also includes the very best in electronic locks, keyless door locks, and home security. Let Schlage's hardware and security solutions protect and enhance the things that matter most to you.