Description Containing all the hardware needed to install a two-panel set of sliding doors, this kit includes 78" top and bottom tracks, two sets of top and bottom rollers for hanging the door panels, plus doorstops and soft-closing mechanisms. The top rollers have ball bearings and soft thermoplastic treads to ensure smooth, quiet operation. The soft-closing mechanisms prevent slamming, gently pulling the doors closed in the last few inches of travel. The aluminum tracks mount on the inside…