National Hardware® N186-966 Deco Interior Sliding Door Hardware, Sat-Nickel, 72"Adds a bold, modern feel to any sliding door kit from National Hardware. Use connecting adaptor N187 003 to connect multiple pieces of track. Cost effective way to add style and privacy to an open doorway. Includes all mounting hardware and components to hang one interior door. For single doors 1 3 8 in and 1 3 4 in thick. Use connecting adaptor N187 003 to connect multiple pieces of track Cost effective way to add style and privacy to an open doorway