Unionline American Style 6.6 Ft Sliding Wood Barn Door Steel Hardware Dark Brown Sliding Track Kit Basic J Style 100% Brand New.Takes 3-5days to most states Material: High Quality Steel.1 Years Product Factory Warranty. From Apr.16th, 2017, the rail hole-space change to 16 inch. It is the 16" US standard distance layout. All other necessary hardware are included as you see in the pictures. Only hardware,no door included,Fit door panel width: 36"; Door panel thickness: 1 3/8" and 1 3/4". We will Ship Replacement Parts for any damaged or missing pieces at no charge to you