[ MATERIAL] Constructed from durable aluminum alloy material, these brackets offer high strength, hardness, and long-lasting use. [STRONG CONNECTION] Designed for high connection strength with a beautiful appearance, providing a convenient and strong connection for your projects. [SILVER OXIDATION TREATMENT] Features a silver oxidation treatment on the surface for enhanced durability, ensuring a long service life for your brackets. [EASY INSTALLATION] Comes with pre-drilled holes for easy screw fixing (screws not included), making installation a breeze for users of all skill levels. [VERSATILE SIZES] Available in three different sizes (Model 2020T, 3030T, 4040T) to suit various project needs, offering flexibility and adaptability., Manufacturer: Jelquix