Use to build 2 x 4 storage racks, shelves and worktops in any convenient size. Keeps firewood up to 5" above ground level, safe from harmful ground moisture, pests, and decay. Raised design also permits faster drying of green wood for better and safer bur ning. Select 2 x 4 lumber of the right length and add the brackets. Add screws or nails in the pre-drilled bracket holes for added stability.