Detailed Size: the size of wing L-bracket is about 16 x 8 inches/ 41.5 x 21 cm, this universal interface design can be applied with most standard road signs, signs or signs; Warm note: please confirm the product size before purchasing Easy Maintenance: the simple structure of this aluminum sign post does not require special tools when removing or replacing road signs, reducing maintenance energy, and the included 304 stainless steel loosening screws are not easy to fall off and rust after installation Durable Material: this street sign bracket is made of high-strength aluminum material, rust-proof and corrosion-resistant, suitable for long-term outdoor use Enhances Stability: this right-angle L-shaped street bracket design provides two-way support for the road sign, ensuring stability and wind resistance in all weather conditions, and the lightweight material but durable, perfect for adding to sign posts Flexible Installation: this L-shaped wing bracket can be fixed to a column, wall or other supporting structure by bolts or welding, and is suitable for different installation scenarios, such as roads, parking lots, communities, and more Applicable scenarios: This sign bracket is perfect for traffic roads, municipal engineering, commercial area guidance, parking lot signs, etc. High durability: Made from heavy-duty aluminum materials for rust-proof, corrosion-resistant performance, this street sign post is ideal for long-term outdoor use. Specifications: Material: aluminum Color: silver Size: 16 x 8 inches/ 41.5 x 21 cm Package includes: 1 x Wing-shaped "l-bracket" with 5 mounting screws Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Please confirm the product size before purchasing.