The AndyMark Box Tube Extrusion 3ft. Length, 0.75 x 0.5in. Profile, Wall Thickness 0.047in. is a robust and lightweight aluminum solution ideal for constructing custom robot frames, superstructures, and mechanisms. This extrusion is crafted from 6063-T6 aluminum, ensuring durability and strength while maintaining a lightweight profile. Its dimensions make it suitable for various applications in robotics, providing versatility and reliability in design and construction.