This is a 90 sliding door lock, it is only suitable for 90 corner installation, not for 180 flat installation, please check the product size carefully before purchasing Stainless steel sliding door lock is suitable for most 90 door locks, suitable for family rooms, doors, garages, gardens, bathrooms, cabinets, kitchens, offices, hotels, etc. Saves space and creates spaces for all wooden doors The high quality locks are made of stainless steel, and the surface has been polished in several layers to ensure durability and reliability This 90 sliding door lock contains 5 screws (M3 x 20), easy to install as a mirror, convenient cam lock, privacy lock and flip cover for extra security and a more comfortable living environment The Mobile Door Right Angle Privacy Lock is Factory Made, Made with High Quality Materials and Agrees to all Amazon FBA Customer Service Policies