Note: The track comes in two parts as shown in second picture

Superior material and quality than the most available online at similar pricing.

Black powder coated, 8 feet rail (comes in two pieces, 4ft each ) , pre-drilled holes 16" apart, Anti-Jump system. Supports 200 pounds comfortably, fits door 48" wide, 1 3/8" to 1 3/4" thick. 

Included 8 ft Rail, Spacers, Rollers, Door Stop, Floor Guide, Anti-Jump Discs.

POM nylon wheel, smooth, durable and quiet.