Adhesive Magnetic Safety Lock System, Includes 2 Locks & 1 Key, 3M Adhesive Provide A Powerful, Secure Hold While Making It Easy To Install, Each Lock Includes A Plastic Template For Perfect Installation Alignment, No Tools Needed For Most Cabinets, Some Materials, Such As Particle Board, Require The Use Of Screws, Included, Operates With A Magnetic Key That Stores Easily Up High & Out Of Child's Reach, Lock Installs Inside Cabinet Or Drawer For An Invisible Safety Solution, Disengages For Periods Of Non-Use.