The plastic square cap is specifically designed for 35x35mm square tubes with a wall thickness of 1-3mm. It serves as a protective cover for the ends of the tubes, providing a clean and finished appearance. Made from high-quality plastic, this square cap offers durability and reliable performance. It is easy to install and ensures a secure fit, effectively preventing dust, debris, and moisture from entering the tube. Whether for industrial applications, commercial projects, or DIY crafts, this plastic square cap is a versatile solution for protecting and enhancing your square tube assemblies.