Barn Door Lock Heavy Duty Sliding Barn Door Latch Lock 90 Degree Gate Latch AUFeature: This heavy duty 90 degree barn door lock hardware is made of zinc alloy with black finish that effectively isolates oxygen from the air and is strong and corrosion resistant for durability and reliability. The gate latch lock is specially designed for right angle doors to provide additional security for your personal space and protect your privacy. The flip barn door lock is suitable for installation on the left or right side of door frame