With the rotating latches on main body, you can adjust the distance between the and the strikes plate to adapt to door or frame of different thicknesses When the door closes, the catches slides up and grabs the baffles plate, providing a noticeable connection that prevents the door from swinging open, the Balls latches remain door close due to the strong holding force The builted in powerful works great, adjusting for uneven door and providing flexibility in door positioning, it eliminates the hassle of loose Balls and spring latches The latches matching most traditional door latches for top of door, enabling seamless replacement without door modifications Commonly used on closet and Pantries door, it is a great replacement for old Balls catches latches in double door, Manufacturer: QFMHZP