Introducing our 3 Sections Adjustable Door Jammer, also known as Door Security Bar and Door Reinforcement Bar, ZC035. As a factory, we are proud to offer this high-quality product that is designed to provide maximum security and protection to your doors. Made from durable and robust materials, this door jammer can withstand any force, ensuring that unwanted guests cannot break in. Its adjustable design fits most standard doors, and it can be easily installed without any professional help. This door security bar provides peace of mind, giving you and your loved ones added protection against intruders. Trust our factory to produce top-notch security products, as we prioritize quality and safety and cater to your security requirements.