This kit can hold max door weight 300Lbs, can be used for both interior door and outside door
16FT double door kit including:4FT box track*4;track connector*3 box track bracket*6; roller*4; stop*4; end cap*2; L guides*2
Material: steel; surface: Smooth Black;8FT track is 2pcs 4ft track with a connector
Just the box rail barn door hardware is available for purchase; the door panel and handle are not part of the sale.
Suitable for door panel thickness 1 1/2" To 2"; the rollers vertical lock nuts are adjustable; the gap between door and wall is supper small, the box track need install on the wood board