Stainless Steel Material: Our bolt lock is made of high-quality stainless steel. Polished chrome finish provides an elegant look, offering strength and durability. Resistant to rust and corrosion, it is built to last and withstand daily use. Concealed Door Security Bolts: Specially designed door latches for internal doors, featuring a flat solid steel bolt that operates within a long continuous guide attached to the backplate. The slide bolt latch provides a secure closing mechanism, ensuring strength and stability. Maintains door integrity and appearance even under strong impact. Easy to Install: Flush bolt latches can be installed by simply securing the provided screws. This door catch is designed for internal doors where locking is not required. All necessary mounting hardware is included. Professional installation by a qualified locksmith or trained individual is recommended. Wide Application: Ideal for use on internal doors, cabinets, bathrooms, toilets, windows, furniture, pet gates, patio doors, bedrooms, and cupboards. Suitable for various door types, including wooden and stainless steel doors. A reliable choice for home security and interior door applications. The door bolts can be installed vertically or horizontally, with the latch bolt sliding left and right. The lightly sprung latch mechanism allows smooth and effortless door operation. Advanced electroplating and polishing technology enhances wear resistance and surface hardness. Protects the metal and provides good insulation properties. Commonly used on doors, cabinets, bathrooms, and toilets. Compatible with standard security and interior doors, including all wooden and stainless steel doors, adding an extra layer of security to private spaces. Note: Please verify that the bedroom door lock meets your specifications before purchase. Installation Method: 1. Mark the desired position at one end of the door. 2. Chisel a groove according to the marked location. 3. Insert the internal door latch pin into the groove and secure with screws. 4. Open the door, drill holes in the floor or door frame, and install the strike dowel. 5. Close the door and align the bolt with the hole in the floor. Size: 1: 15.2 cm length 2: 22 cm length Color: 1: Silver 2: Red Bronze 3: Bronze 4: Gold Package Includes: 1 pc × Door Bolt