Temax Drawer Adapter Soft Close For Any Side Mount Drawer Slide Buffer Damper This price is for 1 piece. Material:Abs plastic and spring for buffer. This is a adapter for drawer slide. Easy to install Package Included:1X Mechanism buffer, 1X trigger, 4 woodscrews. Here is the video: http://www.youtube.com/watch?v=tgyZgOgrU9A