Belleze Classic Rustic Sliding Barn Wood Door Modern Track Hardware, 6.6 FT (Frosted Black) Material: High Quality Steel; Surface: Frosted Black All hardware necessary for setting up the sliding door is included Perfect for a cabin style/rustic settings or for your most modern of design creations Turns your normal door into a sliding door; A great design element for bringing industrial charm to any room Fit Door Panel Width: 40"; Door Panel Thickness: 1-3/8" - 1-3/4"