It can be used for various doors and windows in homes, offices, shops, etc., such as front doors, back doors, balcony doors, etc. This locking pin is able to help you use it in left, right, vertical or horizontal directions. It makes your daily opening and closing of your door more convenient. These spring loaded latches provide a secure solution to protect your property and privacy. Each spring loaded slide latch comes with pre-drilled mounting holes. Mark the correct position and drill on your door, then with screws. Made of stainless steel, sturdy and durable. Anti-rust coating, which is not easy to rust after long-term use.