Enhanced Door Security Chain – Stainless Steel Added Protection: Strengthens your door security by providing an extra barrier against unauthorized access while still allowing the door to be partially open for ventilation and safe visual checks. Safety for Children and Pets: Position the chain lock higher to prevent children from accidentally opening the door. Adjust the chain gap to control pet movement, enabling ventilation without compromising safety. Durable Stainless Steel Construction: Made from rustresistant stainless steel with thick, reinforced chains and plates to ensure maximum strength, wear resistance, and longlasting performance. Easy, Secure Installation: Supplied with longer and thicker screws for strong mounting on different door types. Smooth, polished edges ensure safe handling during use and installation. Practical Applications: 1. Home Entry Doors – Keep your front or back door slightly open to speak with visitors while preventing forced entry. 2. Apartment Safety – Maintain airflow and communicate with delivery personnel without fully unlocking the door. 3. PetFriendly Homes – Ventilate rooms while keeping pets safely indoors and secure from outside hazards. Compatible with most standard wooden, metal, or composite doors. Designed for reliable performance in residential and small business environments. Provides a balance of security, ventilation, and everyday convenience without compromising durability or ease of use.