Upgraded 2-in-1 High-Quality Door Lock: This 90/180 degree barn door lock can be installed at a 90-degree right angle or a 180-degree angle, saving more space. Perfect for bedrooms, doors, bathrooms, gates, sheds, cabins, windows, wardrobes, kitchens, offices, shed door locks, and much more. Durable Material: This high-quality gear lock is made of zinc alloy, and the surface has undergone a multi-layer polishing process, making it moisture-proof and corrosion-resistant. It will not rust or tarnish, ensuring long-lasting and safe use. 2.5mm Thick Lock Gasket: The gasket is made of solid aluminum alloy material; Thickness: 2.5 mm; Length: 80 mm; Width: 25 mm; If the door is not aligned with the frame/wall, the sliding door lock can be installed by adding shims (for example: if the door gap is ≤ 2.5 mm, add a 2.5 mm shim; if 2.5 mm door gap ≤ 5 mm, add two 2.5 mm shims). Quick Installation and Maintenance: The barn door lock is suitable for left or right-side mounting and for mounting at 90° and 180° angles. Simply attach the latch to your door frame, mark the height and mounting holes, and attach the latch to the door frame with the included screws. Multi-scene Use: Suitable for most doors, suitable for bedrooms, balconies, garages, windows, sheds, sliding doors, kitchens, bathrooms, wardrobes, drawers, pet locks, etc. Barn door locks are a security measure for your home, preventing unexpected intrusions and ensuring that small children and pets are safe.