Aleco 477388 MaxBullet Aluminum Flat Replacement Hardware Mounting Kit, 40" Width Replacement hardware kits allow you to replace only the piece that may be worn or damaged rather than replacing the complete strip door Save significant labor costs by reducing installation time by as much as 75 percent Exclusive one-piece system includes a unique bullet-shaped locking feature for easy strip snap-on/snap-off that requires no tools Reduce strip replacement time by as much as 90 percent Mounts on side-wall or under lintel