Upgraded 2-IN-1 High-Quality Door Lock:: The 90/180 Degree barn door lock can be mounted at 90 right angles, also can be mounted at 180 degree angles for even more space-saving use. Ideal for family bedrooms, doors, bathrooms, gates, sheds, cabins, windows, cabinets, kitchens, offices, barn door latchs and more Heavy Duty Material:: The high-quality flip latch lock is made of zinc alloy material with multi-layer polishing technology on the surface, it is moisture-proof and anti-corrosion, will not rust and change color, to ensure safe use of a long time. 2.5mm Thick Door Latch Spacer:: The spacer is made of solid aluminium alloy material; Thickness: 2.5mm; Length: 80mm; Width: 25mm; If the door and the frame/wall are not in the same plane, the sliding barn door locks can be installed by adding this spacer (for example, if the door gap 2.5mm, you can add one 2.5mm spacer; if 2.5mmthe door gap 5mm, you need add two 2.5mm spacer) Quick to Install and Maintain::The barn door lock is suitable for left or right installation, and installation at an angle of 90 and 180. Simply fit the door latch lock to your door frame, mark the height and mounting holes and mount to your door jam with the supplied screws. Multi-Scene Use:Door lock suitable for most door, It is suitable for bedroom, balcony, garage, window, barn, sliding door, kitchen, bathroom, cabinet, drawer, pet lock, etc. The barn door lock is a safety measure for your family, preventing unwanted entry and keeping children and pets safely inside.