Features:*Made of carbon metal material, with nice power and powerful resistance.*Be used to stabilize barn door movement, prevent door from swinging.*Fully adjustable surface guides that may be used with maximum door thick.*Provides silent and effortless sliding, won't disturb you and your family.Specifications:Material: Carbon SteelColor: BlackPackage Contents: 1 Pcs x Barn Door Guides2 Pcs x Screws2 Pcs x Expansion screwsNote:1. The real coloration of the article could also be slightly various from the photographs shown on online page attributable to many factors resembling brightness of your computer screen and light brightness.2. Please allow slight manual size deviation for the data.