National Sliding Door Track KitNational Sliding Door Track Kit Brand Name: National Height: 1 1 2 in. Width: 72 in. Product Type: Sliding Door Track Kit Hardware Included: Yes Color: Brown Includes all mounting hardware and components to hang one interior door Accommodates openings of up to 36 in. wide; for openings wider than 36 in. use multiple kits For single doors 1 3 8 in. and 1 3 4 in. thick Accommodates single doors up to 200 lbs. Includes detailed instructions for easy