DIYHD 6.6FT Stainless Steel Double Head Roller Sliding Barn Door Hardware Top Mounted Closet Barn Door kit for single door (6.6ft-single door kit) Hardware only,not including door panel Material:stainless steel 304;Surface:brushed satin Track had been pre-drilled holes,which is NOT 16",if your wall is drywall+stud,we don't suggest this item for you The height from top of the door to the top of the roller is 4.7" Full set kit including:Roller*2;Stopper*2;6.6FT track*1,Track&wall connector*3,Floor guide*1