The Amazon Basics Exterior Door Knob Lock and Deadbolt in Coastal Matte Black is a high-quality, durable door hardware set suitable for front entrance, side entrance, and backdoors. This round-shaped door knob is made of stainless steel with a matte black finish, adding a sleek and modern touch to your home's exterior. With its exterior features and coastal-inspired design, this door knob set is a stylish and practical choice for enhancing your home's security and appearance. Bought but never used or even taken out of the box. Includes four keys two for each lock.