Our barn door lock offers the flexibility to lock your sliding doors at either a 90-degree or 180-degree angle.SpecificationColor: BlackMaterial: Zinc alloytotal measurement: 79 x 24 x 4mm/3.11 x 0.94 x 0.16 inchhandle length: 43mm/1.69 inchesMounting hole diameter: 4mm/0.16 inchMounting hole distance: 60mm/2.36 inchesPacking List: 2 Pcs Barn Door Latches, 4Pcs Expansion tube, 8 Pcs Screws, 4 Pcs Auxiliary stickers, 2 Pcs Nail-free glueAdvantageThe barn door Latches lock is made of zinc alloy and has a multi-layer polished surface to rust, and discoloration, ensuring durability and reliability.InstructionThe swivel piece of these door locks actually has a stop every 90°. Therefore, it does not just swing freely in a circle but can be held vertically/horizontally. the door bolt 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.NotePlease refer to the lock size to ensure the perfect fit for your door measurements.