Reliable Material: Curtain rod brackets are made of thick aluminum alloy, strong hardness works well for heavy curtains and curtain rods (each can bear up to 6.5kg) without bending or breaking, compared with self-adhesive curtain rod bracket. Heavy duty curtain rod brackets have larger load-bearing capacity and longer service life. Plastic Protection Buckle: The curtain rod brackets feature a plastic buckle, which can help fix 25-30mm curtain rod firmly, effectively avoid slipping and scratching the curtain rods when pulling the curtains. In addition, the plastic buckle is also removable to fit 30-35mm thick rod. Excellent Appearance: Metal curtain rod brackets with elegant rust-proof black color for indoor and outdoor use. The black curtain rod bracket features modern style, smooth edges, no burrs, and fits well with most types of rods on the market, such as shower rod, closet rod, window curtain rod, clothes drying rod, etc. Easy to install: The 2 curtain rod brackets come with