Upgrade your DIY projects and construction needs with these sturdy 2020 Series 3-Way End Aluminum Extrusion Corner Brackets. Crafted from high-quality aluminum, these tri-connectors seamlessly join three 20 T-Slot extruded aluminum profiles at 90-degree angles, creating a robust and secure connection. With 12 sets included, you'll have ample brackets for various applications. Designed for easy assembly, each set comes with 4 screws, ensuring a tight fit and long-lasting durability. Whether you're building a workbench, shelving unit, or a custom frame, these corner brackets provide the strength and versatility you need. Maximize the potential of your aluminum extrusion projects with this essential hardware.