Ambidextrous Installation: Fits Both Left And Right-Handed Doors, No Need To Choose Orientation During Setup. Zinc Alloy Build: Lock Body, Bolt, And Plug Are Made Of High-Grade Zinc Alloy For Reliable Everyday Use. Thickened Knob Design: Wider And Thicker Knob Offers Comfortable Grip And Smooth Operation On Different Doors. Keyed Access: Can Be Locked From Inside Or Outside; Outside Unlocking Requires A Key For Added Security. Multi-Door Use: Suitable For Barn Doors, Bathrooms, Kitchens, Closets, And Sliding Doors Needing A Mortise Lock., Manufacturer: Yosoo Health Gear