Adds rustic appeal to interior door openings. Adds style and privacy to an open doorway. Includes all mounting hardware and components to hang one interior door. Pre-drilled tracks. Accommodates openings of up to 36 in wide, for openings wider than 36 in use multiple kits. For single doors 1-3/8 and 1-3/4 in Thick. Accommodates single doors up to 200 lb. Includes detailed instructions for easy installation. Designed and tested to follow ANSI/BHMA Grade 1 Standards. Use connecting adaptor N187-002 to connect multiple pieces of track.