These brackets are designed to securely hold flower boxes to the top of a deck or porch railing. Fasten the brackets down to the rail at your preferred distance apart and boxes are captured within the U-shaped holder. In two widths to fit standard 4 and 6 inch railings. Use with Embossed Flower Box (C-04) or Small Galvanized (C-08) or Small Copper Plated (C-08C) Flower Box. BRACKETS FOR FLOWER BOXES: These brackets are designed to securely hold flower boxes to the top of a deck or porch railing STABLE AND DURABLE: Bracket is made of wrought iron with black powder coated finish for maximum weather resistance ACHIEVE BEST USAGE: For best results secure with non-rusting hardware appropriate for the application, and use with Embossed Flower Box (C-04) or Small Galvanized (C-08) or Small Copper Plated (C-08C) Flower Box (sold separately) DIMENSIONS: Brackets measure 6.25''D at base by 5''H each, and are designed to fit a 2'' x 6'' deck or handrail WARRANTY INCLUDED: All items have a 90-day manufacturer's warranty