National Hardware's anti sag gate kit in black is used for correcting or preventing gate sag. . Black finish for style and durability. Mounting hardware included for easy installation. Kit includes top and bottom corner brackets, cable clamps, cable, turnbuckle and mounting screws. For exterior applications. Coated with Weatherguard Protection to withstand harsh weather conditions and prevent corrosion. National Hardware's Lifespan Limited Lifetime Warranty.