Description: 【Purpose】The 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 Free】Sliding Barn Door Hardware, 1 Way Operation. You don't need to drill holes in the track. 【Package List】2x Soft Close Mechanism, 4x Hooks, 2x Actuators, 1 pack of screws, 2x Wrench Accessories 【Durable Material】Barn Door Spring Buffer Damper is made of PVC and carbon steel materials with a black coating on the surface for durability. 【Easy to Install】Slide 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/12.20inchx0.87inch Actuator: 4cmx3.1cmx1.7cm/1.57inchx1.22inchx0.67inch Package Includes: 2x Soft Close Mechanism 2x Actuators 4x hole free Hooks 1 pack of screws 2x Wrench Accessories Note: Please allow slightly errors due to manual measurement and different monitors.