Description: PurposeThe Barn Door Soft Close Mechanism is hidden behind the guide rail and is designed to slow down the door so that it stops in its final position.Hole FreeSliding Barn Door Hardware, 1 Way Operation. You don't need to drill holes in the track.Package List2x Soft Close Mechanism, 4x Hooks, 2x Actuators, 1 pack of screws, 2x Wrench AccessoriesDurable MaterialBarn Door Spring Buffer Damper is made of PVC and carbon steel materials with a black coating on the surface for durability.Easy to InstallSlide track sliding door accessories, installation is simple and convenient, you only need to fix the Soft Close Mechanism on the back of the track and secure it with a hexagonal wrench Specification: Material: PVC carbon steel Size Chart: Soft Close Mechanism:31cmx2.2cm/12.20inchx0.87inchActuator: 4cmx3.1cmx1.7cm/1.57inchx1.22inchx0.67inch Package Includes: 2x Soft Close Mechanism2x Actuators4x hole free Hooks1 pack of screws2x Wrench Accessories Note: Please allow slightly errors due to manual measurement and different monitors.