Jinlon Advanced Spherical Door Lock

Product Information
Brand Name: JINLON 
Product Type: Advanced spherical door lock (knob lock)
Claimed Quality: "The professional choice" (as seen on the box).
Typical Use: Spherical or knob locks like this one are commonly used on residential and commercial doors, including interior and exterior doors.
Material: Jinlon often uses materials such as high-grade zinc alloys and stainless steel components for durability and corrosion resistance.
Application: These types of locks provide basic security and are available in various finishes.