Mandatory for Barn Doors-Do you have the moment that your pets take their paws and can easily slide the barn door open? Do your children like to play opening and closing the barn doors? Our barn door soft close mechanism is a must for any barn doors to keep it from banging into stops. soft close mechanism is an absolute mandatory for your home as we are providing an easy and inexpensive upgraded solutions and 100 percent worth for the value. UPGRADED NEW DESIGN- With the latest design, the soft close mechanism operates sliding doors more quietly and smoothly. The invisible design can make the products hidden behind the rail, bring the door to soft stop in final position, in case of any slamming and fingers pinched, less force is needed to close the door. Designed for flat track but cannot be used for round tracks. To have the best effect, we suggest the weight of the doors should be around 77-176 LBS. EASY INSTALLATION- No longer holes drilling needed on the rail that simplified the installation process. All necessary installation hardware included, easily installed in minutes can bring you peace of mind. There is a detailed instruction in the package and you may also reach us for more information.