1.: The tower bolt door lock is made of high quality 304 stainless steel that can with maximum corrosion resistance, an-ti rust and durability, will last for years of use. And has a brushed finish for enhanced wear and corrosion resistance. 2.Strong Security: Heavy duty security 16 inches slide latch lock are made from strong, thick materials with high strength and high impact resistance, thickened stainless steel plate up to 1.4mm thick, very durable and sturdy, making slide bolt gate latch an effective protection against intruders. 3.Two-way Design: sliding bolt action provides a solid closing mechanism to ensure the strength and stability of any door. The extended handle makes it easy to operate and the matching clasp holds the handle securely in place. 4.Flexible & Easy to Install: Our stainless steel door latches can be installed vertically or horizontally, depending on your specific needs. Simply align the countersunk screw holes with the door and door frame, mark the mounting position with a pencil, drill holes in the door frame and door label and screw the supplied screws into the wood to complete the installation.