The SUMBIN Commercial Duty Mortise Entry/Office Door Lever Lock is a high-quality and durable door hardware designed for commercial and commercial-residential use. Made of stainless steel and metal, this lever lock features a matte silver finish and is suitable for mounting under the door on both the left and right sides. With a heavy-duty construction and locking mechanism, this ANSI Grade 1 lever lock offers security and reliability for your business or office space. The package includes 1 lever lock with keys, making it a convenient and essential addition to any commercial door.