✔[Invisible Design]: Hidden from view, this mechanism ensures a quieter and safer operation of your rolling door by automatically slowing the opening and closing action.✔[Features]: With the latest design of the soft close, there is no need to drill holes on the track. Prevent your door suddenly hit the door stoppers, and increase the lifetime of the barn door hardware.Perfect for homes with children, elderly, or those who want ease of use.✔[Easy Install]: Simply attach the soft close to the back of the track with the hook and fasten it with the supplied hex wrench. The package has detailed installation instructions. Each soft close mechanism fit for door weight 70-160 pounds.✔[DIY Home Decor]: Quietly and Smoothly moving, upgraded your barn door hardware, useful accessories for your door!✔[Package Includes]: 2 x Soft Close Mechanism, 4 x S-Shape Hooks, 2 x Actuators,and all Accessories.