24W, left flange, zinc finish, for use with Walk-In Cooler cantilevered shelving uprights Single Knob Brackets Designed with convenience in mind. Requires no post supports to get in the way, making shelf loading and unloading easier. For use with both wire and solid shelving. 100% usable shelving surface, from section to section, wall to wall, and front to back no posts to restrict stock placement. Infinite height adjustability no slots or keyholes to line up for leveling, and shimming is eliminated.