PRICES MAY VARY. [Double Barn Door Hardware Kit]: Barn door track is made of high quality carbon steel material, the solid internal structure is more sturdy and durable, preventing deformation and bending. The nylon roller has undergone 100,000 tests and slides smoothly and quietly.(DOOR NOT INCLUDED.) [Package Included]: A Barn Door Kit( 2x 5.0FT Rails, 8x Rail Spacers, 4x Rollers, 4x Door Stops, 4x End Caps, 2x Floor Guides,1xRail Connector; Pre-drilled hole spacer is 16" for American wall...