1. ### Stainless Steel Material Our bolt locks are made of stainless steel. After chrome plating and polishing treatment, they have an elegant appearance, are sturdy and durable, less prone to rust and corrosion, not easily damaged, have relatively strong load-bearing capacity and corrosion resistance, and can be used for a long time. 2. ### Hidden Door Safety Bolt A special bolt designed for interior doors, consisting of a flat solid steel sliding bolt that slides in a long continuous guide rail connected by a backplate. The sliding bolt lock can provide a reliable door - closing mechanism to secure the door, offering a certain strength and stability for any door and helping it remain intact even under a large impact. 3. ### Easy to Install The embedded bolt lock can be used simply by screwing the screws onto the lock. It is a door latch for interior doors that do not require a locking function. Necessary fixing accessories are provided. It is recommended to hire a professional locksmith or a properly trained person for installation. 4. ### Wide Application Sliding door locks are widely used in interior doors, cabinets, bathrooms, toilets, windows, furniture, pet doors, patios, bedrooms, and cabinets, etc. They are suitable for various wooden doors and stainless steel doors, etc. They are a good choice for home security doors and interior doors. - The interior door bolt can be installed vertically or horizontally, and the door latch can be pushed left or right. The light spring latch mechanism allows the door to open and close easily. - The door latch uses electroplating and polishing technology to ensure a good and long - lasting effect. It enhances wear resistance and hardness, protects the metal surface, and has good insulation performance. - Interior door locks are widely used in doors, cabinets, bathrooms, and toilets. They are suitable for ordinary security doors and interior doors, including various wooden doors and stainless steel doors, providing more security for your private space. 5. ### Precautions Please check whether the bedroom door lock meets your requirements before purchasing. 6. ### Installation Method 1. Mark a suitable position at one end of the window frame. 2. Use tools to chisel out a groove according to the marked position. 3. Insert the interior door bolt into the groove and fix it with screws. 4. Open the door, drill holes in the floor or door frame, and install the positioning pins. 5. Close the door and insert the bolt of the lock box into the hole in the ground. 7. ### Dimensions 1. Length: 15.2 cm 2. Length: 22 cm 8. ### Colors 1. Silver 2. Antique Red Bronze 3. Bronze 4. Gold 9. ### Package Contents 1 bolt lock