This raised garden bed corner bracket is made of high-quality heavy-duty carbon steel with an anti-rust coating. It has been upgraded in both thickness and hardness, making it sturdy, durable, and capable of bearing heavy loads without being prone to deformation or breakage. It stands 11 in. tall, and the formed corners measure 3 in. x 3 in. allowing you to build a raised garden bed that is 20-24 in. high. Moreover, it can be stacked to increase the height, providing ample space for your plants to grow. The installation process is extremely convenient. All you need to do is vertically fix the corner bracket to the corner, mark the holes, and then screw in the accompanying screws. The design of the staggered double-row screw holes further enhances the structural stability. The screws included in the package have clear threads and sharp tips, making them easy to install. In addition to being used for building raised garden beds, it can also be applied to furniture making, meeting various creative needs. The product set contains 8 corner brackets, 24 long screws, and 88 short screws. Whether you want to build a new raised garden bed or reinforce an old one, it can be easily achieved. It is the perfect choice for gardening enthusiasts and DIY lovers. Color: Black. Material: Composite.