【Zinc Alloy Material】The door latch is made of high quality zinc alloy, which can resist daily corrosion and oxidation, ensuring durability and reliability. The surface of the screen door lock polished and brushed, smooth and resistant to daily scratches.,【Left And Right Knob Design】The inside door lock different from ordinary door locks in that it supports 180° smooth rotation, making it easy to switch between open and closed states. The two sides of the slide lock are connected, so you can decide the direction of the lock during installation, and both left and right sides can be installed.,【Heavy Duty Design】The barn door latch is made of thickened solid metal material with thick structure, which can withstand strong external impacts, not easy to bend or break and is internally pry-resistant,perfect for the elderly and ladies who are alone at home.,【Provide Security Measures】The door latches for top of door are suitable for both indoor and outdoor use and cannot be opened from the other side of the door, preventing unwanted guests or others from breaking in, providing extra security for your family; you can close the sliding door for added privacy, or prevent children or pets from opening certain closet doors, you are worry-free.,【Easy To Install】All the accessories needed for door latches installation are included, you just need to mark the height and mounting holes at the door frame and then fix it to the door frame with screws. (Note: You need to pay attention to the distance of the swivel card, if the distance is not correct, it will not work properly.)