The UHP Ultra Maxi Lock Brass Door Ball Knob Cylindrical Passage Lockset-5320 is a high-quality door knob designed for residential use. It features a cylindrical shape and is made of durable brass material, providing a sleek and stylish look for any door. The lockset includes a passage function, allowing for easy access when the door is unlocked. It is an essential component for ensuring security and privacy in your home while adding a touch of elegance to your interior design.