The plastic square cap is designed for 20x20mm square tubes with a wall thickness of 0.8-3mm. This cap serves as a protective cover for the ends of the tubes, providing a clean and finished appearance. The white color adds a sleek and modern touch to your projects. Made from high-quality plastic, it offers durability and reliable performance. The cap is easy to install and ensures a secure fit, keeping the tube ends protected from dust, dirt, and moisture. Whether for industrial, commercial, or DIY applications, this square cap adds functionality and aesthetic appeal to your projects.